HCPCS code
Drug screening and testing
CMS description
Alcohol and/or drug screening; laboratory analysis of specimens for presence of alcohol and/or drugs
In the order to send them
Why these codes
Testing done as part of substance use treatment; covered under the substance abuse benefit, with diagnostic lab as the fallback.
If a payer returns nothing
Payers don't all answer every service type. Send 30 (Health Benefit Plan Coverage) for the plan's general benefits.
Sources
CMS HCPCS Level II descriptor; X12 HIPAA 5010 service type code definitions; VerifyTX billing practice