S42.482K vs S42.489K

S42.482K (Torus fracture of lower end of left humerus, subsequent encounter for fracture with nonunion) compared with S42.489K (Torus fracture of lower end of unspecified humerus, subsequent encounter for fracture with nonunion), from the official CMS tabular data. S42.482K and S42.489K code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S42.482K

Left

Torus fracture of lower end of left humerus, subsequent encounter for fracture with nonunion

↔

S42.489K

Unspecified

Torus fracture of lower end of unspecified humerus, 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. S42.482K and S42.489K 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

	S42.482KTorus fracture of lower end of left humerus, subsequent encounter for fracture with nonunion	S42.489KTorus fracture of lower end of unspecified humerus, subsequent encounter for fracture with nonunion
Billing status	Billable	Billable
Classification	S00-T88 — Injury, poisoning and certain other consequences of external causes	S00-T88 — Injury, poisoning and certain other consequences of external causes
Definition	Torus fracture of lower end of left humerus, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S42.482K).	Torus fracture of lower end of unspecified humerus, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S42.489K).
7th character	The appropriate 7th character is to be added to all codes in subcategory S42.48	The appropriate 7th character is to be added to all codes in subcategory S42.48
Includes	injuries of axilla injuries of scapular region	injuries of axilla injuries of scapular region

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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