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Definitive Drug Testing Procedures

Definitive drug testing methods using confirmatory analytical techniques such as gas chromatography-mass spectrometry. CPT range 80320–80377 covering definitive confirmatory drug assays and specific analyte confirmations.

Presumptive Drug Class Screening Procedures

Presumptive drug class screening procedures using immunoassays or other rapid screens to detect drug classes. CPT range 80305–80307 covering presumptive drug class screening and initial qualitative testing codes.