HCPCS code G2023 and G2024 are both used for coding the collection of specimens for COVID-19 testing.
G2023 is used for specimen collection for COVID-19 testing performed on individuals who meet the Centers for Medicare and Medicaid Services (CMS) guidelines for coverage. This code is typically used for in-office, drive-through, or other outpatient testing locations. The code covers the collection of the specimen, the personal protective equipment (PPE) worn by the healthcare provider, and any necessary supplies used in the collection process.
G2024 is used for specimen collection for COVID-19 testing performed on individuals who are either homebound or in a non-hospital inpatient setting, such as a nursing home. This code covers the same services as G2023 but is specifically for patients who are unable to leave their residence or facility.
It is important to note that these codes are only used for the collection of the specimen, not for the actual COVID-19 test. The test itself would be billed using a separate code, such as CPT code 87635 for nucleic acid amplification test (NAAT) for SARS-CoV-2 (COVID-19).
It is always recommended to check with CMS or other relevant authorities for the most up-to-date information on coding guidelines and requirements.