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ICD-10-CM · FY 2026 APRIL UPDATE

S42.12

Fracture of acromial process

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
S42.121Displaced fracture of acromial process, right shoulderCategory
S42.121ADisplaced fracture of acromial process, right shoulder, initial encounter for closed fractureBillable
S42.121BDisplaced fracture of acromial process, right shoulder, initial encounter for open fractureBillable
S42.121DDisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with routine healingBillable
S42.121GDisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with delayed healingBillable
S42.121KDisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with nonunionBillable
S42.121PDisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with malunionBillable
S42.121SDisplaced fracture of acromial process, right shoulder, sequelaBillable
S42.122Displaced fracture of acromial process, left shoulderCategory
S42.122ADisplaced fracture of acromial process, left shoulder, initial encounter for closed fractureBillable
S42.122BDisplaced fracture of acromial process, left shoulder, initial encounter for open fractureBillable
S42.122DDisplaced fracture of acromial process, left shoulder, subsequent encounter for fracture with routine healingBillable
S42.122GDisplaced fracture of acromial process, left shoulder, subsequent encounter for fracture with delayed healingBillable
S42.122KDisplaced fracture of acromial process, left shoulder, subsequent encounter for fracture with nonunionBillable
S42.122PDisplaced fracture of acromial process, left shoulder, subsequent encounter for fracture with malunionBillable
S42.122SDisplaced fracture of acromial process, left shoulder, sequelaBillable
S42.123Displaced fracture of acromial process, unspecified shoulderCategory
S42.123ADisplaced fracture of acromial process, unspecified shoulder, initial encounter for closed fractureBillable
S42.123BDisplaced fracture of acromial process, unspecified shoulder, initial encounter for open fractureBillable
S42.123DDisplaced fracture of acromial process, unspecified shoulder, subsequent encounter for fracture with routine healingBillable
S42.123GDisplaced fracture of acromial process, unspecified shoulder, subsequent encounter for fracture with delayed healingBillable
S42.123KDisplaced fracture of acromial process, unspecified shoulder, subsequent encounter for fracture with nonunionBillable
S42.123PDisplaced fracture of acromial process, unspecified shoulder, subsequent encounter for fracture with malunionBillable
S42.123SDisplaced fracture of acromial process, unspecified shoulder, sequelaBillable
S42.124Nondisplaced fracture of acromial process, right shoulderCategory
S42.124ANondisplaced fracture of acromial process, right shoulder, initial encounter for closed fractureBillable
S42.124BNondisplaced fracture of acromial process, right shoulder, initial encounter for open fractureBillable
S42.124DNondisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with routine healingBillable
S42.124GNondisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture with delayed healingBillable
S42.124KNondisplaced fracture of acromial process, right shoulder, subsequent encounter for fracture 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.