S42.434
⚠ Non-billable (Header)Nondisplaced fracture (avulsion) of lateral epicondyle of right 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.
✅ No additional coding notes for S42.434
Child Codes (7)
S42.434ANondisplaced fracture (avulsion) of lateral epicondyle of right humerus, initial encounter for closed fractureS42.434BNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, initial encounter for open fractureS42.434DNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with routine healingS42.434GNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with delayed healingS42.434KNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with nonunionS42.434PNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with malunionS42.434SNondisplaced fracture (avulsion) of lateral epicondyle of right humerus, sequela
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CodeS42.434
BillableNo — Header code
ParentS42.43
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)