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S64.11XD vs S64.12XD

S64.11XD (Injury of median nerve at wrist and hand level of right arm, subsequent encounter) compared with S64.12XD (Injury of median nerve at wrist and hand level of left arm, subsequent encounter), from the official CMS tabular data. S64.11XD and S64.12XD code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S64.11XD
Right
Injury of median nerve at wrist and hand level of right arm, subsequent encounter
S64.12XD
Left
Injury of median nerve at wrist and hand level of left arm, subsequent 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. S64.11XD and S64.12XD 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

S64.11XDInjury of median nerve at wrist and hand level of right arm, subsequent encounterS64.12XDInjury of median nerve at wrist and hand level of left arm, subsequent encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionInjury of median nerve at wrist and hand level of right arm, subsequent encounter is a billable ICD-10-CM diagnosis code (S64.11D).Injury of median nerve at wrist and hand level of left arm, subsequent encounter is a billable ICD-10-CM diagnosis code (S64.12D).
7th characterThe appropriate 7th character is to be added to each code from category S64The appropriate 7th character is to be added to each code from category S64

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