T34
Frostbite with tissue necrosis
Choose the additional character
T34 needs more characters to be billable. Pick the specific code below.
- T34.0Frostbite with tissue necrosis of headMore levels
- T34.1Frostbite with tissue necrosis of neckMore levels
- T34.2Frostbite with tissue necrosis of thoraxMore levels
- T34.3Frostbite with tissue necrosis of abdominal wall, lower back and pelvisMore levels
- T34.4Frostbite with tissue necrosis of armMore levels
- T34.5Frostbite with tissue necrosis of wrist, hand, and finger(s)More levels
- T34.6Frostbite with tissue necrosis of hip and thighMore levels
- T34.7Frostbite with tissue necrosis of knee and lower legMore levels
- T34.8Frostbite with tissue necrosis of ankle, foot, and toe(s)More levels
- T34.9Frostbite with tissue necrosis of other and unspecified sitesMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
The appropriate 7th character is to be added to each code from category T34
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
code to identify any retained foreign body, if applicable (Z18.-)
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for T34
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care