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S42.465 vs S42.466

S42.465 (Nondisplaced fracture of medial condyle of left humerus) compared with S42.466 (Nondisplaced fracture of medial condyle of unspecified humerus), from the official CMS tabular data. S42.465 and S42.466 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S42.465
Left
Nondisplaced fracture of medial condyle of left humerus
S42.466
Unspecified
Nondisplaced fracture of medial condyle of unspecified humerus

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. S42.465 and S42.466 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

S42.465Nondisplaced fracture of medial condyle of left humerusS42.466Nondisplaced fracture of medial condyle of unspecified humerus
Billing statusNon-billable header

Report instead: S42.465A, S42.465B, S42.465D, S42.465G, S42.465K

Non-billable header

Report instead: S42.466A, S42.466B, S42.466D, S42.466G, S42.466K

ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionNondisplaced fracture of medial condyle of left humerus is a non-billable ICD-10-CM category code (S42.465).Nondisplaced fracture of medial condyle of unspecified humerus is a non-billable ICD-10-CM category code (S42.466).
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

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