S30.873 vs S31.35XA

S30.873 (Other superficial bite 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.

Relationship

Conflict

Excludes1 conflict

S30.873

Other superficial bite of scrotum and testes

↔

S31.35XA

Open bite of scrotum and testes, initial encounter

Not coded here — these two are mutually exclusive.

“open bite of abdomen, lower back, pelvis and external genitals (S31.05, S31.15, S31.25, S31.35, S31.45, S31.55)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. S30.873 carries an Excludes1 note covering S31.35XA: “open bite of abdomen, lower back, pelvis and external genitals (S31.05, S31.15, S31.25, S31.35, S31.45, S31.55)”

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

	S30.873Other superficial bite 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	Other superficial bite of scrotum and testes is a non-billable ICD-10-CM category code (S30.873).	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

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources