| T34.90 | Frostbite with tissue necrosis of unspecified sites | NON-BILLABLE CODE |
| T34.90XA | Frostbite with tissue necrosis of unspecified sites, initial encounter | BILLABLE CODE |
| T34.90XD | Frostbite with tissue necrosis of unspecified sites, subsequent encounter | BILLABLE CODE |
| T34.90XS | Frostbite with tissue necrosis of unspecified sites, sequela | BILLABLE CODE |
| T34.99 | Frostbite with tissue necrosis of other sites | NON-BILLABLE CODE |
| T34.99XA | Frostbite with tissue necrosis of other sites, initial encounter | BILLABLE CODE |
| T34.99XD | Frostbite with tissue necrosis of other sites, subsequent encounter | BILLABLE CODE |
| T34.99XS | Frostbite with tissue necrosis of other sites, sequela | BILLABLE CODE |
