S52.256
⚠ Non-billable (Header)Nondisplaced comminuted fracture of shaft of ulna, unspecified arm
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 S52.256
Child Codes (16)
S52.256ANondisplaced comminuted fracture of shaft of ulna, unspecified arm, initial encounter for closed fractureS52.256BNondisplaced comminuted fracture of shaft of ulna, unspecified arm, initial encounter for open fracture type I or IIS52.256CNondisplaced comminuted fracture of shaft of ulna, unspecified arm, initial encounter for open fracture type IIIA, IIIB, or IIICS52.256DNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with routine healingS52.256ENondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with routine healingS52.256FNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS52.256GNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with delayed healingS52.256HNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with delayed healingS52.256JNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS52.256KNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with nonunionS52.256MNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with nonunionS52.256NNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS52.256PNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with malunionS52.256QNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with malunionS52.256RNondisplaced comminuted fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS52.256SNondisplaced comminuted fracture of shaft of ulna, unspecified arm, sequela
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CodeS52.256
BillableNo — Header code
ParentS52.25
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)