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
Short descriptor: Drug test presump not opt
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G0479 is the HCPCS Level II code for 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 (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Priced subject to national limitation amount (clinical lab).
Classification & CMS Attributes
- Medicare Coverage
- Carrier judgment (code C)
- Part B Pricing
- Priced subject to national limitation amount (clinical lab) (indicator 21)
- Type of Service
- Diagnostic laboratory
- Effective Date
- 2017-01-01
- Termination Date
- 2016-12-31
- 2026 Maintenance
- No change this year
References
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Reference G0479 with the canonical source and edition:
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. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G0479
Canonical URL: https://icd10codingpro.com/hcpcs-codes/G0479