S52.046
⚠ Non-billable (Header)Nondisplaced fracture of coronoid process of unspecified ulna
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 S52.046
Child Codes (16)
S52.046ANondisplaced fracture of coronoid process of unspecified ulna, initial encounter for closed fractureS52.046BNondisplaced fracture of coronoid process of unspecified ulna, initial encounter for open fracture type I or IIS52.046CNondisplaced fracture of coronoid process of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIICS52.046DNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with routine healingS52.046ENondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with routine healingS52.046FNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS52.046GNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with delayed healingS52.046HNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healingS52.046JNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS52.046KNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with nonunionS52.046MNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with nonunionS52.046NNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS52.046PNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for closed fracture with malunionS52.046QNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type I or II with malunionS52.046RNondisplaced fracture of coronoid process of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS52.046SNondisplaced fracture of coronoid process of unspecified ulna, sequela
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CodeS52.046
BillableNo — Header code
ParentS52.04
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes16
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)