Table A21:
Surgical Procedure and Diagnosis Codes Used to Identify Lower Leg Amputation Cohort102
| Variable | Codes |
|---|---|
| Major lower leg amputation procedure | 1.VC.93 (amputation of femur) |
| 1.VG.93 (amputation, knee joint) | |
| 1.VQ.93 (amputation, tibia and fibula) | |
| Minor lower leg amputation procedure | 1.WA.93 (amputation, ankle joint) |
| 1.WE.93 (amputation, tarsal bones and intertarsal joints) | |
| 1.WI.93 (amputation, first metatarsal bone and first metatarsophalangeal joint) | |
| 1.WJ.93 (amputation, tarsometatarsal joints, other metatarsal bones and other metatarsophalangeal joints [forefoot]) | |
| Diabetic foot ulcer diagnosis | E10.* (type 1 diabetes mellitus) |
| E11.* (type 2 diabetes mellitus) |