HCPCS Code G0477

Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) capable of being read by direct optical observation only (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service
Code effective Jan 01, 2017

HCPCS Section
Procedures/Professional Services (Temporary Codes)

G0477 is a valid 2026 HCPCS code meaning Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) capable of being read by direct optical observation only (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service or (Drug test presump optical) for short. HCPCS G0477 has been effective since 01/01/2017 and applies to Diagnostic laboratory.

HCPCS Code Details - G0477

HCPCS Level II Code
Section G - Procedures/Professional Services (Temporary Codes)
HCPCS Code G0477
Description

Long description:
Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) capable of being read by direct optical observation only (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service

Short description:
Drug test presump optical

HCPCS Pricing indicator 21 - Price subject to national limitation amount
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code C - Carrier judgment
BETOS2 code T1H - Lab tests - other (non-Medicare fee schedule)
HCPCS Action code N - No maintenance for this code
Type of service 5 - Diagnostic laboratory
Effective date Effective Jan 01, 2017
Date added Added Jan 01, 2016
Termination date Dec 31, 2016

See also

  • HCPCS G0476 · Infectious agent detection by nucleic acid (dna or rna); human papillomavirus (hpv), high-risk types (e.g., 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 68) for cervical cancer screening, must be performed in addition to pap test

  • HCPCS G0478 · Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service

  • HCPCS G0479 · Drug test(s), presumptive, any number of drug classes; any number of devices or procedures by instrumented chemistry analyzers utilizing immunoassay, enzyme assay, tof, maldi, ldtd, desi, dart, ghpc, gc mass spectrometry), includes sample validation when performed, per date of service

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

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