T34
ICD-10Non-billable categoryFrostbite with tissue necrosis
Official ICD-10-CM descriptor (FY2026)
Frostbite with tissue necrosis
T34 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
7th character
- The appropriate 7th character is to be added to each code from category T34
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under T34
- T34.0Frostbite with tissue necrosis of headcategory
- T34.1Frostbite with tissue necrosis of neckcategory
- T34.2Frostbite with tissue necrosis of thoraxcategory
- T34.3Frostbite w tissue necros abd wall, lower back and pelviscategory
- T34.4Frostbite with tissue necrosis of armcategory
- T34.5Frostbite with tissue necrosis of wrist, hand, and finger(s)category
- T34.6Frostbite with tissue necrosis of hip and thighcategory
- T34.7Frostbite with tissue necrosis of knee and lower legcategory
- T34.8Frostbite with tissue necrosis of ankle, foot, and toe(s)category
- T34.9Frostbite with tissue necrosis of other and unsp sitescategory
Where this code sits
- Block
- Frostbite (T33-T34)
Krasyn AI Coder
Get code suggestions automatically as you type notes. Free for 50 analyses.
Install for Chrome — freeSource
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.