QZHCPCS Level II
Crna service: without medical direction by a physician
- Usage notes
- Append to a CRNA's anesthesia claim when the service was furnished without medical direction from a physician.
- Common mistakes
- Billing QZ on a claim where a physician's medical direction is also billed for the same case — QZ and physician direction billing are mutually exclusive.
Related modifiers
Q0Investigational clinical service provided in a clinical research study that isQ1Routine clinical service provided in a clinical research study that is in anQ2Demonstration procedure/serviceQ3Live kidney donor surgery and related servicesQ4Service for ordering/referring physician qualifies as a service exemptionQ5Service furnished under a reciprocal billing arrangement by a substituteQ6Service furnished under a fee-for-time compensation arrangement by a substituteQ7One class a finding
Frequently asked questions
What does modifier QZ mean?
Crna service: without medical direction by a physician
When do I use modifier QZ?
Append to a CRNA's anesthesia claim when the service was furnished without medical direction from a physician.
What's a common mistake with modifier QZ?
Billing QZ on a claim where a physician's medical direction is also billed for the same case — QZ and physician direction billing are mutually exclusive.
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.