QN HCPCS Level II modifier: Ambulance service furnished directly by a provider of services
QN is a HCPCS Level II modifier: “Ambulance service furnished directly by a provider of services.” It adds this detail to the code it is reported with.
Official description
QNAmbulance service furnished directly by a provider of services
Short description: Ambulance furn by provider
HCPCS · United States
Medicare details
The indicators CMS publishes with QN in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 1996
Where QN sits
- 1GroupHCPCS modifiers
- 2Modifier QNAmbulance service furnished directly by a provider of services
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 QN mean?
QN is the HCPCS code for “Ambulance service furnished directly by a provider of services” in CMS’s HCPCS Level II October 2026 release.
Where is QN in the HCPCS Level II list?
QN is listed under Modifiers.
Does Medicare cover QN?
CMS lists QN’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 QN
All modifiersQGPrescribed amount of stationary oxygen while at rest is greater than 4 liters per minute (lpm)QHOxygen conserving device is being used with an oxygen delivery systemQJServices/items provided to a prisoner or patient in state or local custody, however the state or local government, as applicable, meets the requirements in 42 cfr 411.4 (b)QKMedical direction of two, three, or four concurrent anesthesia procedures involving qualified individualsQLPatient pronounced dead after ambulance calledQMAmbulance service provided under arrangement by a provider of servicesQPDocumentation is on file showing that the laboratory test(s) was ordered individually or ordered as a cpt-recognized panel other than automated profile codes 80002-80019, g0058…QQOrdering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professionalQRPrescribed 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 test