S42.446
⚠ Non-billable (Header)Nondisplaced fracture (avulsion) of medial epicondyle of unspecified 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 S42.446
Child Codes (7)
S42.446ANondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, initial encounter for closed fractureS42.446BNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, initial encounter for open fractureS42.446DNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, subsequent encounter for fracture with routine healingS42.446GNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, subsequent encounter for fracture with delayed healingS42.446KNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, subsequent encounter for fracture with nonunionS42.446PNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, subsequent encounter for fracture with malunionS42.446SNondisplaced fracture (avulsion) of medial epicondyle of unspecified humerus, sequela
🧪 Validate Combinations
Add S42.446 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
CodeS42.446
BillableNo — Header code
ParentS42.44
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)