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ICD-10-CM · FY 2026 APRIL UPDATE

S42.4

Fracture of lower end of humerus

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
S42.40Unspecified fracture of lower end of humerusCategory
S42.401Unspecified fracture of lower end of right humerusCategory
S42.401AUnspecified fracture of lower end of right humerus, initial encounter for closed fractureBillable
S42.401BUnspecified fracture of lower end of right humerus, initial encounter for open fractureBillable
S42.401DUnspecified fracture of lower end of right humerus, subsequent encounter for fracture with routine healingBillable
S42.401GUnspecified fracture of lower end of right humerus, subsequent encounter for fracture with delayed healingBillable
S42.401KUnspecified fracture of lower end of right humerus, subsequent encounter for fracture with nonunionBillable
S42.401PUnspecified fracture of lower end of right humerus, subsequent encounter for fracture with malunionBillable
S42.401SUnspecified fracture of lower end of right humerus, sequelaBillable
S42.402Unspecified fracture of lower end of left humerusCategory
S42.402AUnspecified fracture of lower end of left humerus, initial encounter for closed fractureBillable
S42.402BUnspecified fracture of lower end of left humerus, initial encounter for open fractureBillable
S42.402DUnspecified fracture of lower end of left humerus, subsequent encounter for fracture with routine healingBillable
S42.402GUnspecified fracture of lower end of left humerus, subsequent encounter for fracture with delayed healingBillable
S42.402KUnspecified fracture of lower end of left humerus, subsequent encounter for fracture with nonunionBillable
S42.402PUnspecified fracture of lower end of left humerus, subsequent encounter for fracture with malunionBillable
S42.402SUnspecified fracture of lower end of left humerus, sequelaBillable
S42.409Unspecified fracture of lower end of unspecified humerusCategory
S42.409AUnspecified fracture of lower end of unspecified humerus, initial encounter for closed fractureBillable
S42.409BUnspecified fracture of lower end of unspecified humerus, initial encounter for open fractureBillable
S42.409DUnspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with routine healingBillable
S42.409GUnspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with delayed healingBillable
S42.409KUnspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with nonunionBillable
S42.409PUnspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with malunionBillable
S42.409SUnspecified fracture of lower end of unspecified humerus, sequelaBillable
S42.41Simple supracondylar fracture without intercondylar fracture of humerusCategory
S42.411Displaced simple supracondylar fracture without intercondylar fracture of right humerusCategory
S42.411ADisplaced simple supracondylar fracture without intercondylar fracture of right humerus, initial encounter for closed fractureBillable
S42.411BDisplaced simple supracondylar fracture without intercondylar fracture of right humerus, initial encounter for open fractureBillable
S42.411DDisplaced simple supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with routine healingBillable

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.