S82.821K vs S82.822K

S82.821K (Torus fracture of lower end of right fibula, subsequent encounter for fracture with nonunion) compared with S82.822K (Torus fracture of lower end of left fibula, subsequent encounter for fracture with nonunion), from the official CMS tabular data. S82.821K and S82.822K code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S82.821K

Right

Torus fracture of lower end of right fibula, subsequent encounter for fracture with nonunion

↔

S82.822K

Left

Torus fracture of lower end of left fibula, subsequent encounter for 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. S82.821K and S82.822K 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

	S82.821KTorus fracture of lower end of right fibula, subsequent encounter for fracture with nonunion	S82.822KTorus fracture of lower end of left fibula, subsequent encounter for fracture with nonunion
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	Torus fracture of lower end of right fibula, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S82.821K).	Torus fracture of lower end of left fibula, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S82.822K).
7th character	The appropriate 7th character is to be added to all codes in subcategory S82.82	The appropriate 7th character is to be added to all codes in subcategory S82.82
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