QKHCPCS Level II
Medical direction of two, three, or four concurrent anesthesia procedures
- Usage notes
- Append to an anesthesia code when a physician medically directs two, three, or four concurrent anesthesia procedures.
- Common mistakes
- Billing QK without the concurrency documentation (how many rooms/cases the physician was directing at once) that supports the medical direction requirements.
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 QK mean?
Medical direction of two, three, or four concurrent anesthesia procedures
When do I use modifier QK?
Append to an anesthesia code when a physician medically directs two, three, or four concurrent anesthesia procedures.
What's a common mistake with modifier QK?
Billing QK without the concurrency documentation (how many rooms/cases the physician was directing at once) that supports the medical direction requirements.
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.