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ICD-10-CM · FY 2026 APRIL UPDATE

S52.04

Fracture of coronoid process of ulna

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S52.041Displaced fracture of coronoid process of right ulnaCategory
S52.041ADisplaced fracture of coronoid process of right ulna, initial encounter for closed fractureBillable
S52.041BDisplaced fracture of coronoid process of right ulna, initial encounter for open fracture type I or IIBillable
S52.041CDisplaced fracture of coronoid process of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIICBillable
S52.041DDisplaced fracture of coronoid process of right ulna, subsequent encounter for closed fracture with routine healingBillable
S52.041EDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type I or II with routine healingBillable
S52.041FDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingBillable
S52.041GDisplaced fracture of coronoid process of right ulna, subsequent encounter for closed fracture with delayed healingBillable
S52.041HDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type I or II with delayed healingBillable
S52.041JDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingBillable
S52.041KDisplaced fracture of coronoid process of right ulna, subsequent encounter for closed fracture with nonunionBillable
S52.041MDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type I or II with nonunionBillable
S52.041NDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionBillable
S52.041PDisplaced fracture of coronoid process of right ulna, subsequent encounter for closed fracture with malunionBillable
S52.041QDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type I or II with malunionBillable
S52.041RDisplaced fracture of coronoid process of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionBillable
S52.041SDisplaced fracture of coronoid process of right ulna, sequelaBillable
S52.042Displaced fracture of coronoid process of left ulnaCategory
S52.042ADisplaced fracture of coronoid process of left ulna, initial encounter for closed fractureBillable
S52.042BDisplaced fracture of coronoid process of left ulna, initial encounter for open fracture type I or IIBillable
S52.042CDisplaced fracture of coronoid process of left ulna, initial encounter for open fracture type IIIA, IIIB, or IIICBillable
S52.042DDisplaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with routine healingBillable
S52.042EDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with routine healingBillable
S52.042FDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingBillable
S52.042GDisplaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with delayed healingBillable
S52.042HDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with delayed healingBillable
S52.042JDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingBillable
S52.042KDisplaced fracture of coronoid process of left ulna, subsequent encounter for closed fracture with nonunionBillable
S52.042MDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type I or II with nonunionBillable
S52.042NDisplaced fracture of coronoid process of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.