| G1 | Urr reading of less than 60 |
| G2 | Urr reading of 60 to 64.9 |
| G3 | Urr reading of 65 to 69.9 |
| G4 | Urr reading of 70 to 74.9 |
| G5 | Urr reading of 75 or greater |
| G6 | Esrd patient <6 dialysis/mth |
| G7 | Payment limits do not apply |
| G8 | Monitored anesthesia care |
| G9 | Mac for at risk patient |
| GA | Liability waiver ind case |
| GB | Claim resubmitted |
| GC | Resident/teaching phys serv |
| GD | Unit of service > mue value |
| GE | Resident prim care exception |
| GF | Nonphysician serv c a hosp |
| GG | Payment screen mam + diagmam |
| GH | Diag mammo to screening mamo |
| GJ | Opt out provider of er srvc |
| GK | Actual item/service ordered |
| GL | Upgraded item, no charge |
| GM | Multiple transports |
| GN | Op speech language service |
| GO | Op occupational therapy serv |
| GP | Op pt services |
| GQ | Telehealth store and forward |
| GR | Service by va resident |
| GS | Epo/darbepoietin reduced 25% |
| GT | Interactivetelecommunication |
| GU | Liability waiver rout notice |
| GV | Attending phys not hospice |
| GW | Service unrelated to term co |
| GX | Voluntary liability notice |
| GY | Statutorily excluded |
| GZ | Not reasonable and necessary |
