Q1 is a valid 2023 HCPCS Modifier that could be used to indicate Routine clinical service provided in a clinical research study that is in an approved clinical research study.
Q1 Modifier has been in effect since Jan 01, 2008.
Routine clinical research
Q1 Modifier information
| Modifier: | Q1 |
| Description: | ROUTINE CLINICAL SERVICE PROVIDED IN A CLINICAL RESEARCH STUDY THAT IS IN AN APPROVED CLINICAL RESEARCH STUDY |
| Effective Date: | Jan 01, 2008 |
| Added Date: | Jan 01, 2008 |
| Coverage code: | D - SPECIAL COVERAGE INSTRUCTIONS APPLY |
| Action code: | N - NO MAINTENANCE FOR THIS CODE |
Below a selection of HCPCS Modifiers related to Q1