T79.7XXS — Traumatic subcutaneous emphysema, sequela
T79.7XXS is a billable, specific ICD-10-CM code for traumatic subcutaneous emphysema, sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category T79
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Excludes2 inherited from the categories above T79.7XXS
Also inherited, and the opposite of Excludes1: these conditions are not part of T79.7XXS, but a patient can have both, so you may code both.
Written on T79.7 — Traumatic subcutaneous emphysema
Risk adjustment
T79.7XXS does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
T79.7XXS is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
Code history
T79.7XXS has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share T79.7. If T79.7XXS is not quite right, the correct code is usually one of these.
Questions about T79.7XXS
- Is T79.7XXS a billable ICD-10-CM code?
- Yes. T79.7XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T79.7XXS sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Certain early complications of trauma (T79).