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T79.7XXS

T79.7XXS: Traumatic subcutaneous emphysema, sequela

Billable / specific codeICD-10-CMPOA exempt

T79.7XXS is a billable, specific ICD-10-CM code for traumatic subcutaneous emphysema, sequela. It is valid for submission on a claim.

Check T79.7XXS with the rest of the claim: free scrubber

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.

  • emphysema NOS (J43)
  • emphysema (subcutaneous) resulting from a procedure (T81.82)

Excludes2 inherited from the categories above T79.7XXS

Not part of this code, but both may be coded when both are present.

Written on T79.7: Traumatic subcutaneous emphysema

  • emphysema NOS (J43)
  • emphysema (subcutaneous) resulting from a procedure (T81.82)

Written on T79: Certain early complications of trauma, not elsewhere classified

  • acute respiratory distress syndrome (J80)
  • complications occurring during or following medical procedures (T80-T88)
  • complications of surgical and medical care NEC (T80-T88)
  • newborn respiratory distress syndrome (P22.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T79.7XXS is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • 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

Unchanged in every release from FY2024 to FY2027.

Other codes under T79.7

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.