T33.812 — Superficial frostbite of left ankle
Is T33.812 billable?
No — T33.812 is a non-billable header code. T33.812 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 3 billable codes beneath T33.812.
T33.812 at a glance
| Code | T33.812 |
|---|---|
| Description | Superficial frostbite of left ankle |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T33.812 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T33.81, the nearest indexed parent of T33.812. Use them to find the family, then select the specific code.
- Frostbite › ankle (superficial)
Use additional code — inherited from Chapter 19
Report an additional code alongside T33.812 to fully describe the condition. T33.812 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 T33.812, but a patient may have both at the same time. When documentation supports it, T33.812 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T33-T34
The conditions below are not part of T33.812, but a patient may have both at the same time. When documentation supports it, T33.812 and the excluded code may both be reported.
What codes fall under T33.812? (3)
How long has T33.812 existed?
T33.812 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.