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S62.165A vs S62.166A

S62.165A (Nondisplaced fracture of pisiform, left wrist, initial encounter for closed fracture) compared with S62.166A (Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for closed fracture), from the official CMS tabular data. S62.165A and S62.166A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S62.165A
Left
Nondisplaced fracture of pisiform, left wrist, initial encounter for closed fracture
S62.166A
Unspecified
Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for closed fracture

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. S62.165A and S62.166A 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

S62.165ANondisplaced fracture of pisiform, left wrist, initial encounter for closed fractureS62.166ANondisplaced fracture of pisiform, unspecified wrist, initial encounter for closed fracture
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)
DefinitionNondisplaced fracture of pisiform, left wrist, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S62.165A).Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S62.166A).
7th characterThe appropriate 7th character is to be added to each code from category S62The appropriate 7th character is to be added to each code from category S62

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