ModifierGlobal

GA

Waiver of Liability on File

Official Definition

Waiver of liability statement issued as required by payer policy, individual case

Other Global modifiers

E1Upper Left, Eyelid
E2Lower Left, Eyelid
E3Upper Right, Eyelid
E4Lower Right, Eyelid
F1Left Hand, Second Digit
F2Left Hand, Third Digit
GYExcluded from Medicare Benefits
GZNo Waiver of Liability on File
LTLeft Side
RTRight Side
TCTechnical Component
XESeparate Encounter

Read from: CMS HCPCS Alpha-Numeric (ANWEB) release — October 2026 quarterly update. All data sources · How to read the labels

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources