QZ HCPCS Level II modifier: Crna service: without medical direction by a physician
QZ is a HCPCS Level II modifier: “Crna service: without medical direction by a physician.” It adds this detail to the code it is reported with.
Official description
QZCrna service: without medical direction by a physician
Short description: Crna svc w/o med dir by md
HCPCS · United States
Medicare details
The indicators CMS publishes with QZ in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 1993
Where QZ sits
- 1GroupHCPCS modifiers
- 2Modifier QZCrna service: without medical direction by a physician
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code QZ mean?
QZ is the HCPCS code for “Crna service: without medical direction by a physician” in CMS’s HCPCS Level II October 2026 release.
Where is QZ in the HCPCS Level II list?
QZ is listed under Modifiers.
Does Medicare cover QZ?
CMS lists QZ’s Medicare coverage as “Carrier judgment”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside QZ
All modifiersQRPrescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts is greater than 4 liters per minute (lpm)QSMonitored anesthesia care serviceQTRecording and storage on tape by an analog tape recorderQWClia waived testQXCrna service: with medical direction by a physicianQYMedical direction of one certified registered nurse anesthetist (crna) by an anesthesiologistRAReplacement of a dme, orthotic or prosthetic itemRBReplacement of a part of a dme, orthotic or prosthetic item furnished as part of a repairRCRight coronary arteryRDDrug provided to beneficiary, but not administered "incident-to"REFurnished in full compliance with fda-mandated risk evaluation and mitigation strategy (rems)RIRamus intermedius coronary artery