T79.1XXD — Fat embolism (traumatic), subsequent encounter
Is T79.1XXD billable?
Yes — T79.1XXD is billable for FY2027. T79.1XXD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T79.1XXD may be submitted for encounters from October 1, 2026 through September 30, 2027.
T79.1XXD at a glance
| Code | T79.1XXD |
|---|---|
| Description | Fat embolism (traumatic), 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 T79.1XXD?
In T79.1XXD, the 7th character D means subsequent encounter. The 7th character is required for T79.1XXD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T79.1XXD group to?
T79.1XXD 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 T79.1XXD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T79.1, the nearest indexed parent of T79.1XXD. Use them to find the family, then select the specific code.
- Embolism › fat (multiple) (paradoxical)
Excludes1 — never code together
The conditions below can never be reported together with T79.1XXD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from T79.1
The conditions below can never be reported together with T79.1XXD on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside T79.1XXD to fully describe the condition. T79.1XXD 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 T79.1XXD, but a patient may have both at the same time. When documentation supports it, T79.1XXD and the excluded code may both be reported.
Excludes2 — not included here — inherited from T79
The conditions below are not part of T79.1XXD, but a patient may have both at the same time. When documentation supports it, T79.1XXD and the excluded code may both be reported.
How long has T79.1XXD existed?
T79.1XXD 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.