Routine clinical research
Full descriptor
Routine clinical service provided in a clinical research study that is in an approved clinical research study
Details
- Code
- Q1
- Short descriptor
- Routine clinical research
- Code set
- HCPCS Modifiers
- Release
- July 2026
- Status
- Active
- Added
- Jan 1 2008
Nearby codes
Code sets are published in blocks, so neighbours are usually related.
Invest clinical research
Demo procedure, service
Crna svc w/o med dir by md
Station o2 @ rest >4lpm/port
Stationary o2 @ rest <1 lpm
Rcrdg/strg in sld st memory
Single channel monitoring
Avg day/nite o2 > 4 lpm/port
Sources
- CMS HCPCS Modifiers — July 2026, public domain
Reference information only. Not billing advice. Verify against the payer before you file.