T33.09XD — Superficial frostbite of other part of head, subsequent encounter
Is T33.09XD billable?
Yes — T33.09XD is billable for FY2027. T33.09XD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T33.09XD may be submitted for encounters from October 1, 2026 through September 30, 2027.
T33.09XD at a glance
| Code | T33.09XD |
|---|---|
| Description | Superficial frostbite of other part of head, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T33.09XD?
In T33.09XD, the 7th character D means subsequent encounter. The 7th character is required for T33.09XD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T33.09XD group to?
T33.09XD sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T33.09XD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T33.09, the nearest indexed parent of T33.09XD. Use them to find the family, then select the specific code.
- Frostbite › face (superficial)
- Frostbite › head (superficial)
Use additional code — inherited from Chapter 19
Report an additional code alongside T33.09XD to fully describe the condition. T33.09XD 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 T33.09XD, but a patient may have both at the same time. When documentation supports it, T33.09XD and the excluded code may both be reported.
Excludes2 — not included here — inherited from T33-T34
The conditions below are not part of T33.09XD, but a patient may have both at the same time. When documentation supports it, T33.09XD and the excluded code may both be reported.
How long has T33.09XD existed?
T33.09XD 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.