Billing and Coding: Urine Drug Testing

Coverage for urine drug testing is contingent on meeting the medical necessity and coverage criteria in LCD L36029 and is payable under Medicare Part B when furnished in specified outpatient places of service (office, urgent care, independent clinic, FQHC, RHC, independent laboratory). Coding limits restrict billing to one presumptive drug test code and one definitive drug test code per patient per day, each billed as a single unit, and all testing must be supported by written orders that specify drugs/drug classes and document clinical indication and medical necessity.

"Drug testing services are covered when they meet the medical necessity and coverage indications specified in LCD L36029."

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