T34.9 — Frostbite with tissue necrosis of other and unspecified sites

Not billable

Is T34.9 billable?

No — T34.9 is a non-billable header code. T34.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath T34.9.

Billable codes under this header

T34.9 at a glance

Code	T34.9
Description	Frostbite with tissue necrosis of other and unspecified sites
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Use additional code — inherited from Chapter 19

Report an additional code alongside T34.9 to fully describe the condition. T34.9 is sequenced first.

code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T34.9, but a patient may have both at the same time. When documentation supports it, T34.9 and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T33-T34

The conditions below are not part of T34.9, but a patient may have both at the same time. When documentation supports it, T34.9 and the excluded code may both be reported.

hypothermia and other effects of reduced temperature (T68, T69.-)

What codes fall under T34.9? (2)

How long has T34.9 existed?

T34.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.