| S. No. | Service | Codes | Description | Correct coding and additional information |
|---|---|---|---|---|
| 1 | Specimen Collection | G2023 and G2024 | COVID-19-specific specimen collection. | Code along with appropriate ICD-10 code of Z03.818 or Z20.828, if not billed with separate E&M charges. |
| 99001 | COVID-19-specific specimen collection. | |||
| C9803 | Outpatient hospital facility only for specific specimen collection. | |||
| 2 | Office Visit/Telehealth | 99201- 99499 | E&M code | Bill with appropriate E&M code. Use ICD-10 diagnosis code Z03.818 for suspected exposure to COVID-19, or Use ICD-10 diagnosis code Z20.828 for exposure to a confirmed case of COVID-19. |
| 3 | COVID-19 Laboratory Testing | U0001, U0002, U0003, U0004, 87635 | Virus Detection Tests | In order to bill these codes, the laboratory must use a test that is developed and administered in accordance with the specifications outlined by the U.S. Food and Drug Administration (FDA) or through state regulatory approval. In addition: • U0001, U0002 or 87635: Laboratories must have a valid CLIA ID. • U0003 and U0004: Laboratories must have a valid CLIA ID, as well as CLIA Accreditation, Compliance or Registration certification level. • Use ICD-10 diagnosis code Z11.59 for billing COVID19 testing for asymptomatic patients prior to inpatient admissions, planned outpatient procedures and immunosuppressant therapies. |
| 86328 or 86769 | Antibody Tests | FDA-authorized tests include FDA-approved tests and tests used in an office or lab that are developed and administered in accordance with FDA specifications or through state regulatory approval. | ||
| 87426 | Antigen Tests | Use code 87426 for infectious agent antigen detection by immunoassay technique. |
1 Comments
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Nelson Watkins
Hey there! I really appreciated how you broke down the complexities of COVID-19 testing codes—it’s such a maze to navigate. As someone who’s worked in healthcare billing for a while, I know firsthand how crucial accurate coding is for getting reimbursed properly. geometry lite 2


