| Full description | Frostbite with tissue necrosis of unspecified knee and lower leg |
| Billable | No — use a more specific child code |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Frostbite (T33-T34) |
| Parent code | T34.7 — Frostbite with tissue necrosis of knee and lower leg |
| Requires 7th character | Yes |