Q9HCPCS Level II
One class b and two class c findings
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 Q9 mean?
One class b and two class c findings
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.