S42.421
⚠ Non-billable (Header)Displaced comminuted supracondylar fracture without intercondylar fracture 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 S42.421
Child Codes (7)
S42.421ADisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, initial encounter for closed fractureS42.421BDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, initial encounter for open fractureS42.421DDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with routine healingS42.421GDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with delayed healingS42.421KDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunionS42.421PDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with malunionS42.421SDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, sequela
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CodeS42.421
BillableNo — Header code
ParentS42.42
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)