G0434 – Drug screen, other than chromatographic; any number of drug classes, by clia waived test or moderate complexity test, per patient encounter
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG0434
- Long description
- Drug screen, other than chromatographic; any number of drug classes, by clia waived test or moderate complexity test, per patient encounter
- Short description
- Drug screen multi drug class
- Pricing indicator
21Clinical Lab Fee Schedule – national limitation amount- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
T1HLab tests - other (Non-Medicare fee schedule)- Added
- January 1, 2011
- Last change
- January 1, 2016 – No change
- Termination date
- December 31, 2015
Frequently asked questions
What is HCPCS code G0434?
G0434 is a HCPCS Level II code for drug screen, other than chromatographic; any number of drug classes, by clia waived test or moderate complexity test, per patient encounter. It was discontinued on December 31, 2015.
Does Medicare cover G0434?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G0425 – Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth
- G0426 – Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth
- G0427 – Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth
- G0428 – Collagen meniscus implant procedure for filling meniscal defects (e.g., cmi, collagen scaffold, menaflex)
- G0429 – Dermal filler injection(s) for the treatment of facial lipodystrophy syndrome (lds) (e.g., as a result of highly active antiretroviral therapy)
- G0431 – Drug screen, qualitative; multiple drug classes by high complexity test method (e.g., immunoassay, enzyme assay), per patient encounter
- G0432 – Infectious agent antibody detection by enzyme immunoassay (eia) technique, hiv-1 and/or hiv-2, screening
- G0433 – Infectious agent antibody detection by enzyme-linked immunosorbent assay (elisa) technique, hiv-1 and/or hiv-2, screening
- G0435 – Infectious agent antibody detection by rapid antibody test, hiv-1 and/or hiv-2, screening
- G0436 – Smoking and tobacco cessation counseling visit for the asymptomatic patient; intermediate, greater than 3 minutes, up to 10 minutes
- G0437 – Smoking and tobacco cessation counseling visit for the asymptomatic patient; intensive, greater than 10 minutes
- G0438 – Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
- G0439 – Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
- G0442 – Annual alcohol misuse screening, 5 to 15 minutes
- G0443 – Brief face-to-face behavioral counseling for alcohol misuse, 15 minutes
- G0444 – Annual depression screening, 5 to 15 minutes
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.