| T34.70 | Frostbite with tissue necrosis of unspecified knee and lower leg | NON-BILLABLE CODE |
| T34.70XA | Frostbite with tissue necrosis of unspecified knee and lower leg, initial encounter | BILLABLE CODE |
| T34.70XD | Frostbite with tissue necrosis of unspecified knee and lower leg, subsequent encounter | BILLABLE CODE |
| T34.70XS | Frostbite with tissue necrosis of unspecified knee and lower leg, sequela | BILLABLE CODE |
| T34.71 | Frostbite with tissue necrosis of right knee and lower leg | NON-BILLABLE CODE |
| T34.71XA | Frostbite with tissue necrosis of right knee and lower leg, initial encounter | BILLABLE CODE |
| T34.71XD | Frostbite with tissue necrosis of right knee and lower leg, subsequent encounter | BILLABLE CODE |
| T34.71XS | Frostbite with tissue necrosis of right knee and lower leg, sequela | BILLABLE CODE |
| T34.72 | Frostbite with tissue necrosis of left knee and lower leg | NON-BILLABLE CODE |
| T34.72XA | Frostbite with tissue necrosis of left knee and lower leg, initial encounter | BILLABLE CODE |
| T34.72XD | Frostbite with tissue necrosis of left knee and lower leg, subsequent encounter | BILLABLE CODE |
| T34.72XS | Frostbite with tissue necrosis of left knee and lower leg, sequela | BILLABLE CODE |
