S42.43
⚠ Non-billable (Header)Fracture (avulsion) of lateral epicondyle of humerus
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inherited from S42.4Rules from parent category S42.4: Fracture of lower end of humerus
- • fracture of shaft of humerus (S42.3-)
- • physeal fracture of lower end of humerus (S49.1-)
Child Codes (6)
S42.431Displaced fracture (avulsion) of lateral epicondyle of right humerusS42.432Displaced fracture (avulsion) of lateral epicondyle of left humerusS42.433Displaced fracture (avulsion) of lateral epicondyle of unspecified humerusS42.434Nondisplaced fracture (avulsion) of lateral epicondyle of right humerusS42.435Nondisplaced fracture (avulsion) of lateral epicondyle of left humerusS42.436Nondisplaced fracture (avulsion) of lateral epicondyle of unspecified humerus
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CodeS42.43
BillableNo — Header code
ParentS42.4
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes22 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)