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S51.821S vs S51.822S

S51.821S (Laceration with foreign body of right forearm, sequela) compared with S51.822S (Laceration with foreign body of left forearm, sequela), from the official CMS tabular data. S51.821S and S51.822S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S51.821S
Right
Laceration with foreign body of right forearm, sequela
S51.822S
Left
Laceration with foreign body of left forearm, sequela

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. S51.821S and S51.822S 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

S51.821SLaceration with foreign body of right forearm, sequelaS51.822SLaceration with foreign body of left forearm, sequela
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionLaceration with foreign body of right forearm, sequela is a billable ICD-10-CM diagnosis code (S51.821S).Laceration with foreign body of left forearm, sequela is a billable ICD-10-CM diagnosis code (S51.822S).
7th characterThe appropriate 7th character is to be added to each code from category S51The appropriate 7th character is to be added to each code from category S51

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