S30.863 vs S31.35XA
S30.863 (Insect bite (nonvenomous) of scrotum and testes) compared with S31.35XA (Open bite of scrotum and testes, initial encounter), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. S31.35XA carries an Excludes1 note covering S30.863: “superficial bite of scrotum and testes (S30.863, S30.873)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| S30.863Insect bite (nonvenomous) of scrotum and testes | S31.35XAOpen bite of scrotum and testes, initial encounter | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| 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 | Insect bite (nonvenomous) of scrotum and testes is a non-billable ICD-10-CM category code (S30.863). | Open bite of scrotum and testes, initial encounter is a billable ICD-10-CM diagnosis code (S31.35A). |
| 7th character | The appropriate 7th character is to be added to each code from category S30 | 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 | 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