S31 vs T32
S31 (Open wound of abdomen, lower back, pelvis and external genitals) compared with T32 (Corrosions classified according to extent of body surface involved), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. S31 carries an Excludes2 note covering T32: “burns and corrosions (T20-T32)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S31Open wound of abdomen, lower back, pelvis and external genitals | T32Corrosions classified according to extent of body surface involved | |
|---|---|---|
| Billing status | Non-billable header Report instead: S31.000A, S31.000D, S31.000S, S31.001A, S31.001D | Non-billable header |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Open wound of abdomen, lower back, pelvis and external genitals is a non-billable ICD-10-CM category code (S31). | Corrosions classified according to extent of body surface involved is a non-billable ICD-10-CM category code (T32). |
| 7th character | The appropriate 7th character is to be added to each code from category S31 | — |
| Includes | injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources