M79.5 (Residual foreign body in soft tissue) compared with T15.90XD (Foreign body on external eye, part unspecified, unspecified eye, subsequent encounter), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“residual foreign body in soft tissue (M79.5)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T15.90XD carries an Excludes2 note covering M79.5: “residual foreign body in soft tissue (M79.5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| M79.5Residual foreign body in soft tissue | T15.90XDForeign body on external eye, part unspecified, unspecified eye, subsequent encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Residual foreign body in soft tissue is a billable ICD-10-CM diagnosis code (M79.5). | Foreign body on external eye, part unspecified, unspecified eye, subsequent encounter is a billable ICD-10-CM diagnosis code (T15.90D). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T15 |
| Use additional code | — | code, if known, for foreign body entering into or through a natural orifice (W44.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources