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S62.164B vs S62.166B

S62.164B (Nondisplaced fracture of pisiform, right wrist, initial encounter for open fracture) compared with S62.166B (Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for open fracture), from the official CMS tabular data. S62.164B and S62.166B code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S62.164B
Right
Nondisplaced fracture of pisiform, right wrist, initial encounter for open fracture
S62.166B
Unspecified
Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for open 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. S62.164B and S62.166B 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

S62.164BNondisplaced fracture of pisiform, right wrist, initial encounter for open fractureS62.166BNondisplaced fracture of pisiform, unspecified wrist, initial encounter for open 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, right wrist, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S62.164B).Nondisplaced fracture of pisiform, unspecified wrist, initial encounter for open fracture is a billable ICD-10-CM diagnosis code (S62.166B).
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