- ModifierDescription
- Q0Investigational clinical service provided in a clinical research study that is in an approved clinical research study
- Q1Routine clinical service provided in a clinical research study that is in an approved clinical research study
- Q2Demonstration procedure/service
- Q3Live kidney donor surgery and related services
- Q4Service for ordering/referring physician qualifies as a service exemption
- Q5Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
- Q6Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area
- Q7One class a finding
- Q8Two class b findings
- Q9One class b and two class c findings
- QAPrescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts is less than 1 liter per minute (lpm)
- QBPrescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts exceeds 4 liters per minute (lpm) and portable oxygen is prescribed
- QCSingle channel monitoring
- QDRecording and storage in solid state memory by a digital recorder
- QEPrescribed amount of stationary oxygen while at rest is less than 1 liter per minute (lpm)
- QFPrescribed amount of stationary oxygen while at rest exceeds 4 liters per minute (lpm) and portable oxygen is prescribed
- QGPrescribed 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 system
- QJServices/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 individuals
- QLPatient pronounced dead after ambulance called
- QMAmbulance service provided under arrangement by a provider of services
- QNAmbulance service furnished directly by a provider of services
- QPDocumentation 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, g0059, and g0060.
- QQOrdering professional consulted a qualified clinical decision support mechanism for this service and the related data was provided to the furnishing professional
- QRPrescribed 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 service
- QTRecording and storage on tape by an analog tape recorder
- QWClia waived test
- QXCrna service: with medical direction by a physician
- QYMedical direction of one certified registered nurse anesthetist (crna) by an anesthesiologist
- QZCrna service: without medical direction by a physician