Medical Service


Medical billing

Anesthesia  Types –

  • General Anesthesia
  • Regional Anesthesia
  • Monitored Anesthesia Care
  • Local Anesthesia

CPT Range (00100-01999)

01995 or 01996 are not recognized for time units and should not be submitted with time units in the quantity billed field

Time Spent

The procedure’s start and stop times should be documented, and the time spent is calculated (in minutes) according to insurance-specific rules.

Medical billing

Physical Status Modifier:

P1 – a normal, healthy patient.
P2 – a patient with mild systemic disease.
P3 – a patient with severe systemic disease.
P4 – a patient with severe systemic disease that is a constant threat to life.
P5 – a moribund patient who is not expected to survive without the operation
P6 – a brain-dead patient whose organs are being collected for donation
Billing Concurrent Procedures:
Append Pricing Modifiers in the first Field
AA – Anesthesia services are provided by the anesthesiologist.
AD – Supervision of more than four procedures
QK – Medical supervision of two, three, or four simultaneous anesthesia procedures.
QX – Qualified non-physician anesthetist under the supervision of a physician.
QY – An anesthesiologist supervises the medical care of one CRNA/AA.
QZ- Certified registered nurse anesthetist (CRNA) working without the supervision of a physician. 
Other Modifier:

QS – (MAC) services, a qualified non-physician or physician anesthetist
G8 – Deep, complicated, or significantly invasive surgical procedures
G9 – To indicate that the patient has a history of a severe cardiopulmonary condition.
GC – Services were provided by a resident who was supervised by a teaching physician. Modifiers “AA” and “GC” should be reported by the teaching anesthesiologist (certification modifier).
23 – Unusual anesthesia, attests that proper documentation to support service.
33 – Preventive services are only reported to commercial payers.

For additional information, please contact us at +1440-209-5122 or

Related Posts