2025 HCPCS Code G0481

Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 8-14 drug class(es), including metabolite(s) if performed

TAGS: structural methods drugs variations matrix performed necessarily immunoassays material alcohol enzymatic samples tandem calibration qualitative distinguish utilizing signal stable excluding identify isomers limited isotope individual identification quality interferences standards spectral recognized method internal specimen universally instrument validity control single
Short DescriptionDrug test def 8-14 classes
HCPCS Action Code N - No maintenance for this code
HCPCS Coverage Code C - Carrier judgment
HCPCS Code Added Date January 01, 2016
HCPCS Action Effective Date January 01, 2017
HCPCS Pricing Indicator Code 21 - Price subject to national limitation amount
HCPCS Type Of Service Code 5 - Diagnostic laboratory
HCPCS Multiple Pricing Indicator Code A - Not applicable as HCPCS priced under one methodology
HCPCS Anesthesia Base Unit Quantity 0
HCPCS Coverage Issues Manual Reference Section Number 340 - Toxicology
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