Skip to main content

S50.871A vs S50.872A

S50.871A (Other superficial bite of right forearm, initial encounter) compared with S50.872A (Other superficial bite of left forearm, initial encounter), from the official CMS tabular data. S50.871A and S50.872A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S50.871A
Right
Other superficial bite of right forearm, initial encounter
S50.872A
Left
Other superficial bite of left forearm, initial encounter

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S50.871A and S50.872A name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S50.871AOther superficial bite of right forearm, initial encounterS50.872AOther superficial bite of left forearm, initial encounter
Billing statusBillableBillable
ClassificationS00-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)
DefinitionOther superficial bite of right forearm, initial encounter is a billable ICD-10-CM diagnosis code (S50.871A).Other superficial bite of left forearm, initial encounter is a billable ICD-10-CM diagnosis code (S50.872A).
7th characterThe appropriate 7th character is to be added to each code from category S50The appropriate 7th character is to be added to each code from category S50

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