What special codes and modifiers are required when billing outpatient Routine Costs of a Qualified Clinical Trial?
Billing Medicare for outpatient items/services that are routine costs of a Qualified Clinical Trial requires the following codes/modifiers. (These should also be used for commercial insurers.)
(When billed with the Z00.6 (ICD-10) diagnosis code, the Q1 HCPCS modifier serves as the provider’s attestation that the service is a routine cost of a qualified clinical trial. This is required by Medicare.)