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S82.145P vs S82.146P

S82.145P (Nondisplaced bicondylar fracture of left tibia, subsequent encounter for closed fracture with malunion) compared with S82.146P (Nondisplaced bicondylar fracture of unspecified tibia, subsequent encounter for closed fracture with malunion), from the official CMS tabular data. S82.145P and S82.146P code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S82.145P
Left
Nondisplaced bicondylar fracture of left tibia, subsequent encounter for closed fracture with malunion
S82.146P
Unspecified
Nondisplaced bicondylar fracture of unspecified tibia, subsequent encounter for closed fracture with malunion

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. S82.145P and S82.146P 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

S82.145PNondisplaced bicondylar fracture of left tibia, subsequent encounter for closed fracture with malunionS82.146PNondisplaced bicondylar fracture of unspecified tibia, subsequent encounter for closed fracture with malunion
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 bicondylar fracture of left tibia, subsequent encounter for closed fracture with malunion is a billable ICD-10-CM diagnosis code (S82.145P).Nondisplaced bicondylar fracture of unspecified tibia, subsequent encounter for closed fracture with malunion is a billable ICD-10-CM diagnosis code (S82.146P).
7th characterThe appropriate 7th character is to be added to all codes from category S82The appropriate 7th character is to be added to all codes from category S82
Includes
fracture of malleolus
fracture of malleolus

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