T34.40Header code — not billable
Frostbite with tissue necrosis of unspecified arm
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T34
- Effective date
- October 1, 2026
Related codes in category T34
T34Frostbite with tissue necrosisT34.0Frostbite with tissue necrosis of headT34.01Frostbite with tissue necrosis of earT34.011Frostbite with tissue necrosis of right earT34.011AFrostbite with tissue necrosis of right ear, init encntrYesT34.011DFrostbite with tissue necrosis of right ear, subs encntrYesT34.011SFrostbite with tissue necrosis of right ear, sequelaYesT34.012Frostbite with tissue necrosis of left earT34.012AFrostbite with tissue necrosis of left ear, init encntrYesT34.012DFrostbite with tissue necrosis of left ear, subs encntrYesT34.012SFrostbite with tissue necrosis of left ear, sequelaYesT34.019Frostbite with tissue necrosis of unspecified ear
Frequently asked questions
What is ICD-10 code T34.40?
T34.40 is an ICD-10-CM diagnosis code for Frostbite with tissue necrosis of unspecified arm.
Is T34.40 a billable code?
No. T34.40 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T34.40 in?
T34.40 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T34.40 become effective?
T34.40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T34.40?
T34.40 belongs to category T34, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.