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S82.302K vs S82.309K

S82.302K (Unspecified fracture of lower end of left tibia, subsequent encounter for closed fracture with nonunion) compared with S82.309K (Unspecified fracture of lower end of unspecified tibia, subsequent encounter for closed fracture with nonunion), from the official CMS tabular data. S82.302K and S82.309K code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S82.302K
Left
Unspecified fracture of lower end of left tibia, subsequent encounter for closed fracture with nonunion
S82.309K
Unspecified
Unspecified fracture of lower end of unspecified tibia, subsequent encounter for closed fracture with nonunion

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. S82.302K and S82.309K 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

S82.302KUnspecified fracture of lower end of left tibia, subsequent encounter for closed fracture with nonunionS82.309KUnspecified fracture of lower end of unspecified tibia, subsequent encounter for closed fracture with nonunion
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)
DefinitionUnspecified fracture of lower end of left tibia, subsequent encounter for closed fracture with nonunion is a billable ICD-10-CM diagnosis code (S82.302K).Unspecified fracture of lower end of unspecified tibia, subsequent encounter for closed fracture with nonunion is a billable ICD-10-CM diagnosis code (S82.309K).
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