cpt code for rapid influenza test a and b

The FDA has authorized the first nonprescription diagnostic test that can identify multiple viruses that cause COVID-19-like respiratory symptoms, including respiratory syncytial virus (RSV). You can use your browser's Print function (Ctrl-P on a PC or Command-P on a Mac) to view a print preview and then select PDF as the output. As long as your test in the office checks for both the A and B strains, you can bill for two tests (CPT 87804 and add modifier 59 to the second test as the previous reply mentions). If a rapid antigen test is performed and then confirmed using PCR, the second test may require the -59 modifier. Applications are available at the American Dental Association web site. Billing & Coding. All SARS-CoV-2 samples were expected to be Omicron sublineage according to the current epidemiological situation in Belgium. COVID-19/Flu A&B test is intended to aid in the rapid differential diagnosis of Influenza A, B, and SARS-CoV-2 viral infection. When community influenza activity is high and the rapid diagnostic test result is negative. An asterisk (*) indicates a The Medicare program provides limited benefits for outpatient prescription drugs. The following summary provides a list of the main available types of diagnostics tests: Contact your local or state health department for information about influenza activity. Article document IDs begin with the letter "A" (e.g., A12345). The LOINC codes are copyright 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Improves patient satisfaction. For use with Sofia 2 and Sofia. and/or making any commercial use of UB‐04 Manual or any portion thereof, including the codes and/or descriptions, is only 87637 Infectious agent detection by nucleic acid (DNA or RNA); severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Coronavirus disease [COVID-19]), influenza virus types A and B, and respiratory syncytial virus, multiplex amplified probe technique. An official website of the United States government. Learn more with the AMA. CPT code(s): 87635 (HCPCS: U0003. The Cepheid Xpert Xpress SARS-CoV-2/Flu/RSV assay is a rapid, real-time RT-PCR test intended for the simultaneous qualitative detection and differentiation of SARS-CoV-2, influenza A, influenza B, and respiratory syncytial virus (RSV) viral DNA in either nasopharyngeal swab, nasal swab or nasal wash/aspirate specimens collected from individuals suspected of respiratory viral infection . I verify that Im in the U.S. and agree to receive communication from the AMA or third parties on behalf of AMA. Not every residency match is made to last, as more than 1,000 residents transfer programs each year. Also, you can decide how often you want to get updates. Response to Comment (RTC) articles list issues raised by external stakeholders during the Proposed LCD comment period. The codes are for multi-virus tests that can detect both COVID-19 and other viruses, like the flu. The Alinity m Resp-4-Plex assay was validated with nasopharyngeal swabs. Making copies or utilizing the content of the UB‐04 Manual, including the codes and/or descriptions, for internal purposes, Please note that if you choose to continue without enabling "JavaScript" certain functionalities on this website may not be available. (CPT) code(s) information for each test or profile. Copyright © 2022, the American Hospital Association, Chicago, Illinois. If a CLIA-waived test is performed, the -QW modifier should be reported for the waived test. In no event shall CMS be liable for direct, indirect, special, incidental, or consequential "JavaScript" disabled. Title XVIII of the Social Security Act (SSA) 1833(e) prohibits Medicare payment for any claim lacking the necessary documentation to process the claim. Editor's note: While this department attempts to provide accurate information and useful advice, third-party . allowed for additional confirmatory or additional reflex tests. Complete absence of all Revenue Codes indicates Clinical significance: Influenza is an acute viral disease that is seasonal in incidence, occurring in the colder months. Kits may test for influenza A, influenza B, or both and may provide a single result or separate results when testing for both A and B. Immunofluorescence (IF) - Direct (DFA) or Indirect (IFA) Fluorescent Antibody Staining (antigen detection): If a rapid antigen test is performed and then confirmed using PCR, the second test may require the -59 modifier. Additional information regarding LOINC codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf. that coverage is not influenced by Bill Type and the article should be assumed to descriptions may not be removed, copied, or utilized within any software, product, service, solution or derivative work The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. ID NOW Influenza A & B 2 Product Insert 4. Medicaid and the State Children's Health Insurance Programs, contracts with certain organizations to assist in the administration The May 2009 issue of CPT Assistant provided some guidance regarding this in the article, "Coding Brief: Rapid Influenza Virus A and B Testing (Code 87804)." The coding brief noted that direct optical observation "is a testing platform that yields a typi- The American Medical Association is the physicians powerful ally in patient care. Use of CDT is limited to use in programs administered by Centers for Medicare & Medicaid Services (CMS). Of these, only two showed a positive RAD test for Influenza A. FDA) now requires that all Rapid influenza diagnostic tests (RIDTs) achieve 80% or higher sensitivity compared with RT-PCR. that coverage is not influenced by Revenue Code and the article should be assumed to apply equally to all Revenue Codes. Draft articles have document IDs that begin with "DA" (e.g., DA12345). The Centers for Medicare & Medicaid Services (CMS), the federal agency responsible for administration of the Medicare, For purpose of this exclusion, "the term 'usually' means more than 50 percent of the time for all Medicare beneficiaries who use the drug. GOVERNMENT AND ITS EMPLOYEES ARE NOT LIABLE FOR ANY ERRORS, OMISSIONS, OR OTHER INACCURACIES IN THE INFORMATION, PRODUCT, OR PROCESSES Use modifier 59 when separate results are reported for different species or strains, same laboratory test on the same day to obtain subsequent test results. AMA has new CPT codes for dual flu-COVID-19 tests. Title XVIII of the Social Security Act (SSA) 1833(e) prohibits Medicare payment for any claim lacking the necessary documentation to process the claim. Anterior nasal swabs (self-collected under healthcare provider (HCP) supervision or HCP-collected) are also considered . A federal government website managed and paid for by the U.S. Centers for Medicare & Medicaid Services. The Solution. Under Article Text subheading Reference the access date was . Concurrent detection promises to conserve important testing resources, allowing for ongoing surveillance of influenza while testing for the novel coronavirus.. Shell vials or equivalent multiwell plate cell culture; identification (additional CPT codes/charges will apply) if culture results warrant. accuracy of any information contained in this material, nor was the AHA or any of its affiliates, involved in the An asterisk (*) indicates a The license granted herein is expressly conditioned upon your acceptance of all terms and conditions contained in this agreement. "JavaScript" disabled. 2021 Laboratory Corporation of America Holdings and Lexi-Comp Inc. All Rights Reserved. External controls. - 3 in 1 Format; Three tests results with one simple procedure. Applicable FARS/HHSARS apply. $7,252.00 / Case of 12 PK. Version 2.74 Shell vials or equivalent multiwell plate cell culture; identification (additional CPT codes/charges will apply) if culture results warrant. our vaccine rep inform us to code 87804 and 87804(-91) because we are billing for both A and B. we just started to bill this, not sure of reimbursement yet. All Rights Reserved. Instructions for enabling "JavaScript" can be found here. Available FDA cleared tests as of August 2020. Do not use transport devices beyond their expiration date. CMS and its products and services are not endorsed by the AHA or any of its affiliates. A patient has had recent close exposure (this does NOT include eating cooked meat) to pigs or birds (including poultry) or other animals, and there is concern for infection with a novel influenza A virus. However, testing is not needed for all outpatients with signs and symptoms consistent with influenza before making antiviral treatment decisions, particularly once influenza activity has been documented in the community. accuracy of any information contained in this material, nor was the AHA or any of its affiliates, involved in the Phetcharakupt V, Pasomsub E, Kiertiburanakul S. Clinical manifestations of influenza and performance of rapid influenza diagnostic test: A university hospital setting. Self-Administered Drug (SAD) Exclusion List articles list the CPT/HCPCS codes that are excluded from coverage under this category. Reference: Centers for Disease Control and Prevention. PCR confirmed positive and negative clinical samples were screened with the Panbio COVID-19/Flu A&B Rapid Panel test, an lateral flow strip immunoassay for nucleocapsid proteins of CoV-1, Influenza A and B. To submit a comment or question to CMS, please use the Feedback/Ask a Question link available at the bottom Effective April 3 . A Draft article will eventually be replaced by a Billing and Coding article once the Proposed LCD is released to a final LCD. The CDC says some rapid flu tests are only 50-70% accurate Doctors of the Baylor University Medical Center in Dallas aren't solely on tests but are also keeping an eye on patient symptoms. The code joins other COVID-19 testing codes already approved by the CPT Editorial Panel, an independent body convened by the AMA that has the sole authority to expedite the review of proposed changes and additions to the CPT code set. Among hospitalizations, 86.4 percent were . Response to Comment (RTC) articles list issues raised by external stakeholders during the Proposed LCD comment period. Rapid Flu A & B, RSV, SARS-CoV-2 PCR Lab Code FABRCV Epic Ordering . Learn more. The AMA is a third party beneficiary to this Agreement. Shaw MW, Arden NH, Maassab HF. You can collapse such groups by clicking on the group header to make navigation easier. If a rapid antigen test is performed and then confirmed using PCR, the second test may require the -59 modifier. You acknowledge that the ADA holds all copyright, trademark and other rights in CDT. Room Temperature. There are different article types: Articles are often related to an LCD, and the relationship can be seen in the "Associated Documents" section of the Article or the LCD. %%EOF Effective March 5, 2020. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not A positive result (on testing of an upper respiratory tract specimen) in a person who recently received intranasal administration of live attenuated influenza virus vaccine (LAIV) may indicate detection of vaccine virus. Follow manufacturers instructions, including handling of respiratory specimens, as described in the device package insert. For purpose of this exclusion, "the term 'usually' means more than 50 percent of the time for all Medicare beneficiaries who use the drug. Centers for Disease Control and Prevention (CDC) recommendations: Use rapid diagnostic tests with high sensitivity and specificity. If you are acting on behalf of an organization, you represent that you are authorized to act on behalf of such organization and that your acceptance of the terms of this agreement creates a legally enforceable obligation of the organization. To avoid the overuse of antibiotics and the potential risk of antibiotic resistance, point of care providers should consider testing patients prior to prescribing treatment for a bacterial or influenza infection. MODIFIER -59 IS USED TO IDENTIFY PROCEDURES/SERVICES THAT ARE NOT NORMALLY REPORTED TOGETHER, BUT ARE APPROPRIATE UNDER THE CIRCUMSTANCES. The American Hospital Association (the "AHA") has not reviewed, and is not responsible for, the completeness or Background. MACs are Medicare contractors that develop LCDs and Articles along with processing of Medicare claims. If you are looking for a specific code, use your browser's Find function (Ctrl-F) to quickly locate the code in the article. authorized with an express license from the American Hospital Association. The program covers drugs that are furnished "incident-to" a physician's service provided that the drugs are not "usually self-administered" by the patient. Draft articles are articles written in support of a Proposed LCD. Any questions pertaining to the license or use of the CPT should be addressed to the AMA. Therefore, if a drug is self-administered by more than 50 percent of Medicare beneficiaries, the drug is excluded from coverage" and the MAC will make no payment for the drug. All rights reserved. The Sofia Influenza A+B FIA has been shown to detect cultured human isolates of H5N1; as with other rapid tests for influenza, the ability of the Sofia . The update to the CPT code set was approved by the CPT Editorial Panel, the independent body convened by the AMA with authority to review and approve proposed additions and revisions to the CPT code set. Room temperature (15C to 30C/59F to 86F) Internal controls. The scope of this license is determined by the AMA, the copyright holder. You, your employees and agents are authorized to use CPT only as agreed upon with the AMA internally within your organization within the United States for the sole use by yourself, employees and agents. Previous video. In no event shall CMS be liable for direct, indirect, special, incidental, or consequential damages arising out of the use of such information or material. Accessed 4/27/21. The Medicare program provides limited benefits for outpatient prescription drugs. Download the latest guides and resources for telehealth services. The AMA assumes no liability for data contained or not contained herein. Applications are available at the American Dental Association web site. Contractors may specify Bill Types to help providers identify those Bill Types typically Instructions for enabling "JavaScript" can be found here. %PDF-1.6 % FDA) now requires that all Rapid influenza diagnostic tests (RIDTs) achieve 80% or higher sensitivity compared with RT-PCR. used to report this service. Sign up to get the latest information about your choice of CMS topics in your inbox. This study evaluated the BD Veritor System Flu A+B (Veritor; BD Diagnostics, Sparks, MD, USA), Quidel Sofia Influenza A+B FIA (Sofia; Quidel Corp., San Diego, CA, USA), and Alere BinaxNOW Influenza A&B (Binax; Alere Scarborough, Inc., Scarborough, ME, USA) compared to reverse transcription-polymerase . Molnlycke Exufiber absorption comparison. The AMA disclaims responsibility for any consequences or liability attributable to or related to any use, non-use, or interpretation of information contained or not contained in this file/product. 10/24/2019. There are multiple ways to create a PDF of a document that you are currently viewing. Test code: 97636. Explore reports on this topic from the Council on Medical Education presented during the AMA Interim and Annual Meetings. Influenza A/B and RSV PCR w/ Subtyping. Rapid, one-step lateral flow test that differentiates between influenza virus A and B within 15 minutes. testing to when the result is released to the ordering provider. $634.00 / Pack of 25. CPT codes, descriptions and other data only are copyright 2022 American Medical Association. CPT codes . The product we use is "Quick Vue Influenza". CMS and its products and services are You agree to take all necessary steps to ensure that your employees and agents abide by the terms of this agreement. Officials and members gather to elect officers and address policy at the 2023 AMA Annual Meeting being held in Chicago, June 9-14, 2023. In: Belshe RB, ed. Re-evaluation of test . No portion of the American Hospital Association (AHA) copyrighted materials contained within this publication may be . and/or making any commercial use of UB‐04 Manual or any portion thereof, including the codes and/or descriptions, is only CMS has defined "not usually self-administered" according to how the Medicare population as a whole uses the drug, not how an individual patient or physician may choose to use a particular drug. Draft articles have document IDs that begin with "DA" (e.g., DA12345). In accordance with the above revision, the CPT Editorial Panel approved a new category I code, 87811, to report infectious agent antigen detection by immunoassay with direct visual observation. Qualitative detection and differentiation of Influenza types A & B and SARS coronavirus antigens in upper respiratory specimens, including n. See page for copyright and more information. In most instances Revenue Codes are purely advisory. . The AMA does not directly or indirectly practice medicine or dispense medical services. October 07, 2020 - In response to the COVID-19 pandemic, the American Medical Association (AMA) is adding two new codes to the Current Procedural Terminology (CPT) code set. 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Your first thought is to code this as acute laryngitis, J04.0; however, this code falls in the J00-J06 range titled "Acute upper respiratory infections" and you see no evidence that this is an . Point-of-care tests for influenza Large number on the market - some separate influenza A from influenza B - some specific for influenza H5 Detect either antigen or neuraminidase activity Vary in the number of steps (4-8) and in the time to perform the test (10-30 mins) The Centers for Medicare & Medicaid Services (CMS) and the American Medical Association have announced the release of several new codes to report testing for Coronavirus (COVID-19). Most RIDTs are immunoassays that utilize antibodies against the nucleoproteins of influenza A and B viruses to detect viral antigens. recommending their use. Please review and accept the agreements in order to view Medicare Coverage documents, which may include licensed information and codes. Medicare contractors are required to develop and disseminate Articles. Federal government websites often end in .gov or .mil. The AMA does not directly or indirectly practice medicine or dispense medical services. CMS has defined "not usually self-administered" according to how the Medicare population as a whole uses the drug, not how an individual patient or physician may choose to use a particular drug. CMS believes that the Internet is As laboratory tests, Medicare will cover these codes at 100% of their allowed amount with no deductible or coinsurance applied. This item is not returnable. Influenza viruses. CPT Code: 87804QW and 87804 (see table) Sensitivity: 100% (Flu A); 93% (Flu B) Specificity: 96% (Flu A); 97% (Flu B) One-step, rapid immunochromatographic assay; Qualitative detection of influenza A and B nucleoprotein antigens ; They can identify the presence of influenza A and B, and they work by detecting the parts of the flu virus called antigens that trigger an immune response. DISTINCT PROCEDURAL SERVICE: UNDER CERTAIN CIRCUMSTANCES, THE PHYSICIAN MAY NEED TO INDICATE THAT A PROCEDURE OR SERVICE WAS DISTINCT OR INDEPENDENT FROM OTHER SERVICES PERFORMED ON THE SAME DAY. Rapid Test Kit McKesson Consult Infectious Disease Immunoassay Influenza A + B Nasal Swab / Nasopharyngeal Wash / Nasopharyngeal Aspirate Sample 25 Tests CLIA Waived. Medicare contractors are required to develop and disseminate Articles. Information for Clinicians on Rapid Diagnostic Testing for Influenza. You are using an out of date browser. The CMS.gov Web site currently does not fully support browsers with CMS DISCLAIMS RESPONSIBILITY FOR ANY LIABILITY ATTRIBUTABLE TO END USER USE OF THE CPT. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not [COVID-19]), influenza virus types A and B, and respiratory syncytial virus, multiplex amplified probe technique 87811 - Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) (coronavirus disease [COVID-19]) Special Services, Procedures and Reports CPT code 99072 was created in response to the significant additional practice expenses 87811 Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Coronavirus disease [COVID-19]). damages arising out of the use of such information, product, or process. DISTINCT PROCEDURAL SERVICE: UNDER CERTAIN CIRCUMSTANCES, THE PHYSICIAN MAY NEED TO INDICATE THAT A PROCEDURE OR SERVICE WAS DISTINCT OR INDEPENDENT FROM OTHER SERVICES PERFORMED ON THE SAME DAY. CMS and its products and services are not endorsed by the AHA or any of its affiliates. Any questions pertaining to the license or use of the CPT should be addressed to the AMA. Consider sending respiratory specimens (from symptomatic patients) for RT-PCR to confirm results of RIDTs, especially in the following situations: When community influenza activity is low and the rapid diagnostic test result is positive. Complete absence of all Bill Types indicates What is the CMS suggested CPT code and National Limit for the Sofia Influenza A+B FIA? * For positive Flu only or RSV only. CPT is provided "as is" without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Similarly, tests (and CPT codes) for which there are no accompanying ICD-10 codes in the associated Billing and Coding Article will require registration with MolDX . 87636: Infectious agent detection by nucleic acid (DNA or RNA); severe . Find an overview of AMA efforts and initiatives to help improv GME. Information for Clinicians on Rapid Diagnostic Testing for Influenza. Residents and fellows deciding on a practice setting should be armed with all the relevant details. This Agreement will terminate upon notice if you violate its terms. The results were evaluated based on PCR ct values. resale and/or to be used in any product or publication; creating any modified or derivative work of the UB‐04 Manual and/or codes and descriptions; CONTENTS: 25 Test Cassettes, 25 Sterile Swabs, 25 Extraction Reagent Capsules, 1 Positive Control Swab, 1 Negative Control Swab, 1 Procedure Card, 1 Instructions for Use. Harmon MW, Kendal AP. Positive and negative included. of the Medicare program. If a virus other than those specified for this virus-specific culture are recovered, identification will be made, and an additional charge will apply. All rights reserved. THE UNITED STATES Reporting negatives and combined reporting in 30 minutes. You agree to take all necessary steps to insure that your employees and agents abide by the terms of this agreement. Accessed 4/27/21. Administration of influenza virus vaccine (allowable same as CPT 90471) 90653: Influenza virus vaccine, inactivated, subunit, adjuvanted, for intramuscular use: 90662: Influenza virus vaccine, split virus, preservative free, enhanced immunogenicity via increased antigen content, for intramuscular use: 90672 2037665 Complete absence of all Bill Types indicates Manipulation & E/M. f Zhq,3&,w+0bv ]LL This page displays your requested Article. HOWEVER, WHAN ANOTHER ALREADY ESTABLISHED MODIFIER IS APPROPRIATE IT SHOULD BE USED RATHER THAN MODIFIER -59. Test code: 11177. If you would like to extend your session, you may select the Continue Button. 3M Rapid Detection Flu A + B Test: A new diagnostic test for rapid detection of influenza A and influenza B. Mol Diagn Ther. without the written consent of the AHA. Current Dental Terminology © 2022 American Dental Association. Methods: We systematically collected and analyzed our data regarding the use of a rapid diagnostic test for seasonal influenza A and B in patients with specific respiratory symptoms that sought medical services, during the time period from 01/01/2009 to 30/05/2009, from a network . Use of CDT is limited to use in programs administered by Centers for Medicare & Medicaid Services (CMS). The Xpert Xpress SARS-CoV-2/Flu/RSV PLUS test is a rapid, multiplexed real-time RT-PCR test intended for the detection and differentiation of SARS-CoV-2, influenza A, influenza B, and respiratory syncytial virus (RSV) viral RNA in specimens collected from individuals suspected of respiratory viral infection consistent with COVID-19. Under Article Title changed the title from "Influenza Diagnostic Tests" to " Billing and Coding: Influenza Diagnostic Tests". RT-PCR or other amplification methods to detect viral nucleic acids, Results available in < 24 hours (often in less than 2-4 hours), Detects from 1-2 to up to 20 respiratory pathogens from 1 specimen. Any use not authorized herein is prohibited, including by way of illustration and not by way of limitation, making copies of CDT for resale and/or license, transferring copies of CDT to any party not bound by this agreement, creating any modified or derivative work of CDT, or making any commercial use of CDT. Please help me in coding this. These materials contain Current Dental Terminology (CDTTM), copyright© 2022 American Dental Association (ADA). CPT/ HCPCS Code Laboratory Code Long Descriptor Target . Yes, agreed. All Rights Reserved (or such other date of publication of CPT). Contractors may specify Bill Types to help providers identify those Bill Types typically Influenza Type A and Type B. Reproduced with permission. Information for Clinicians on Rapid Diagnostic Testing for Influenza. Reference: Centers for Disease Control and Prevention. You can use the Contents side panel to help navigate the various sections. AMA SPS member Mary K. McCarthy, MD, discusses the activities and efforts of the Committee on Senior Physicians at the Oregon Medical Association. If reflex testing is performed, concomitant CPT codes/charges will apply. CPT coding for microbiology and virology procedures often cannot be determined before the culture is performed. INFLUENZA A & B - CONTROL SWAB KIT 425-080 CPT CODE: 87502-QW . An endocrinologist shares necessary steps to take to protect your kidneys. Objective: To present our experience regarding the use of a rapid diagnostic test for seasonal influenza A and B. The page could not be loaded. Nov 4, 2009. CMS believes that the Internet is The program covers drugs that are furnished "incident-to" a physician's service provided that the drugs are not "usually self-administered" by the patient. Billing and Coding articles provide guidance for the related Local Coverage Determination (LCD) and assist providers in submitting correct claims for payment. Van Voris LP. For more information, please view the literature below. Influenza A Virus, Influenza B Virus: Reflex Test(s) (Influenza A Subtype by Polymerase Chain Reaction (PCR) and Influenza B Subtype by Polymerase Chain Reaction (PCR): results not reported to facility but will be reported to IDPH and CDC.) Laboratory Tests for which Medicare Allows One Test Without a Practitioner Order During the PHE* Updated May 5, 2021 . CPT code (s): 87804 (x2) Methodology: Optical Immunoassay. To submit a comment or question to CMS, please use the Feedback/Ask a Question link available at the bottom You shall not remove, alter, or obscure any ADA copyright notices or other proprietary rights notices included in the materials. ICD-10-CM Codes that Support Medical Necessity, ICD-10-CM Codes that DO NOT Support Medical Necessity, Information for Clinicians on Rapid Diagnostic Testing for Influenza, VIRUS ISOLATION; TISSUE CULTURE INOCULATION, OBSERVATION, AND PRESUMPTIVE IDENTIFICATION BY CYTOPATHIC EFFECT, VIRUS ISOLATION; TISSUE CULTURE, ADDITIONAL STUDIES OR DEFINITIVE IDENTIFICATION (EG, HEMABSORPTION, NEUTRALIZATION, IMMUNOFLUORESCENCE STAIN), EACH ISOLATE, VIRUS ISOLATION; CENTRIFUGE ENHANCED (SHELL VIAL) TECHNIQUE, INCLUDES IDENTIFICATION WITH IMMUNOFLUORESCENCE STAIN, EACH VIRUS, INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOFLUORESCENT TECHNIQUE; INFLUENZA B VIRUS, INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOFLUORESCENT TECHNIQUE; INFLUENZA A VIRUS, INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOASSAY TECHNIQUE (EG, ENZYME IMMUNOASSAY [EIA], ENZYME-LINKED IMMUNOSORBENT ASSAY [ELISA], FLUORESCENCE IMMUNOASSAY [FIA], IMMUNOCHEMILUMINOMETRIC ASSAY [IMCA]), QUALITATIVE OR SEMIQUANTITATIVE; INFLUENZA, A OR B, EACH, INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); INFLUENZA VIRUS, INCLUDES REVERSE TRANSCRIPTION, WHEN PERFORMED, AND AMPLIFIED PROBE TECHNIQUE, EACH TYPE OR SUBTYPE, INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); INFLUENZA VIRUS, FOR MULTIPLE TYPES OR SUB-TYPES, INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, FIRST 2 TYPES OR SUB-TYPES, INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); INFLUENZA VIRUS, FOR MULTIPLE TYPES OR SUB-TYPES, INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, EACH ADDITIONAL INFLUENZA VIRUS TYPE OR SUB-TYPE BEYOND 2 (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE), INFECTIOUS AGENT ANTIGEN DETECTION BY IMMUNOASSAY WITH DIRECT OPTICAL (IE, VISUAL) OBSERVATION; INFLUENZA.