ICD-10-CM > S00-T88 > T79-T79 > T79 > T79.7 T79.7 Traumatic subcutaneous emphysema Non-Billable/Non-Specific Type 2 Excludes emphysema NOS (J43)emphysema (subcutaneous) resulting from a procedure (T81.82) Codes T79.7XXA..., initial encounterT79.7XXD..., subsequent encounterT79.7XXS..., sequela