S82.64XA vs S82.65XA

S82.64XA (Nondisplaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture) compared with S82.65XA (Nondisplaced fracture of lateral malleolus of left fibula, initial encounter for closed fracture), from the official CMS tabular data. S82.64XA and S82.65XA code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S82.64XA

Right

Nondisplaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture

↔

S82.65XA

Left

Nondisplaced fracture of lateral malleolus of left fibula, 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. S82.64XA and S82.65XA 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

	S82.64XANondisplaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture	S82.65XANondisplaced fracture of lateral malleolus of left fibula, initial encounter for closed fracture
Billing status	Billable	Billable
Classification	S00-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)
Definition	Nondisplaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S82.64A).	Nondisplaced fracture of lateral malleolus of left fibula, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S82.65A).
7th character	The appropriate 7th character is to be added to all codes from category S82	The appropriate 7th character is to be added to all codes from category S82
Includes	fracture of malleolus	fracture of malleolus

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