2020/2021 HCPCS Modifier AA

Anesthesia services performed personally by anesthesiologist
Short Description Anesthesia perf by anesgst
HCPCS Coverage Code D = Special coverage instructions apply
HCPCS Action Code N = No maintenance for this code
HCPCS Action Effective Date January 01, 2001
HCPCS Code Added Date January 01, 1984
HCPCS Medicare Carriers Manual Reference Section Number 3350.5