| T34.811 | Frostbite with tissue necrosis of right ankle | NON-BILLABLE CODE |
| T34.811A | Frostbite with tissue necrosis of right ankle, initial encounter | BILLABLE CODE |
| T34.811D | Frostbite with tissue necrosis of right ankle, subsequent encounter | BILLABLE CODE |
| T34.811S | Frostbite with tissue necrosis of right ankle, sequela | BILLABLE CODE |
| T34.812 | Frostbite with tissue necrosis of left ankle | NON-BILLABLE CODE |
| T34.812A | Frostbite with tissue necrosis of left ankle, initial encounter | BILLABLE CODE |
| T34.812D | Frostbite with tissue necrosis of left ankle, subsequent encounter | BILLABLE CODE |
| T34.812S | Frostbite with tissue necrosis of left ankle, sequela | BILLABLE CODE |
| T34.819 | Frostbite with tissue necrosis of unspecified ankle | NON-BILLABLE CODE |
| T34.819A | Frostbite with tissue necrosis of unspecified ankle, initial encounter | BILLABLE CODE |
| T34.819D | Frostbite with tissue necrosis of unspecified ankle, subsequent encounter | BILLABLE CODE |
| T34.819S | Frostbite with tissue necrosis of unspecified ankle, sequela | BILLABLE CODE |
