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S42.474K vs S42.476K

S42.474K (Nondisplaced transcondylar fracture of right humerus, subsequent encounter for fracture with nonunion) compared with S42.476K (Nondisplaced transcondylar fracture of unspecified humerus, subsequent encounter for fracture with nonunion), from the official CMS tabular data. S42.474K and S42.476K code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S42.474K
Right
Nondisplaced transcondylar fracture of right humerus, subsequent encounter for fracture with nonunion
↔
S42.476K
Unspecified
Nondisplaced transcondylar fracture 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. S42.474K and S42.476K 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

S42.474KNondisplaced transcondylar fracture of right humerus, subsequent encounter for fracture with nonunionS42.476KNondisplaced transcondylar fracture of unspecified humerus, subsequent encounter for 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)
DefinitionNondisplaced transcondylar fracture of right humerus, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S42.474K).Nondisplaced transcondylar fracture of unspecified humerus, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (S42.476K).
7th characterThe appropriate 7th character is to be added to all codes from category S42The appropriate 7th character is to be added to all codes from category S42
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