S32.421
⚠ Non-billable (Header)Displaced fracture of posterior wall of right acetabulum
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 S32.421
Child Codes (6)
S32.421ADisplaced fracture of posterior wall of right acetabulum, initial encounter for closed fractureS32.421BDisplaced fracture of posterior wall of right acetabulum, initial encounter for open fractureS32.421DDisplaced fracture of posterior wall of right acetabulum, subsequent encounter for fracture with routine healingS32.421GDisplaced fracture of posterior wall of right acetabulum, subsequent encounter for fracture with delayed healingS32.421KDisplaced fracture of posterior wall of right acetabulum, subsequent encounter for fracture with nonunionS32.421SDisplaced fracture of posterior wall of right acetabulum, sequela
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CodeS32.421
BillableNo — Header code
ParentS32.42
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)