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Q0

Invest clinical research

✓ CURRENT — JULY 2026
Source: CMS
Imported: Aug 10 2026

Full descriptor

Investigational clinical service provided in a clinical research study that is in an approved clinical research study

Details

Code
Q0
Short descriptor
Invest 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.

QZ

Crna svc w/o med dir by md

QH

Oxygen cnsrvg dvc w del sys

QG

Station o2 @ rest > 4 lpm

QF

Station o2 @ rest >4lpm/port

QE

Stationary o2 @ rest <1 lpm

QD

Rcrdg/strg in sld st memory

QC

Single channel monitoring

QB

Avg day/nite o2 > 4 lpm/port

Sources

Reference information only. Not billing advice. Verify against the payer before you file.