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ICD-10-CM · FY 2026 APRIL UPDATE

S42.31

Greenstick fracture of shaft 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
S42.311Greenstick fracture of shaft of humerus, right armCategory
S42.311AGreenstick fracture of shaft of humerus, right arm, initial encounter for closed fractureBillable
S42.311DGreenstick fracture of shaft of humerus, right arm, subsequent encounter for fracture with routine healingBillable
S42.311GGreenstick fracture of shaft of humerus, right arm, subsequent encounter for fracture with delayed healingBillable
S42.311KGreenstick fracture of shaft of humerus, right arm, subsequent encounter for fracture with nonunionBillable
S42.311PGreenstick fracture of shaft of humerus, right arm, subsequent encounter for fracture with malunionBillable
S42.311SGreenstick fracture of shaft of humerus, right arm, sequelaBillable
S42.312Greenstick fracture of shaft of humerus, left armCategory
S42.312AGreenstick fracture of shaft of humerus, left arm, initial encounter for closed fractureBillable
S42.312DGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with routine healingBillable
S42.312GGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with delayed healingBillable
S42.312KGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with nonunionBillable
S42.312PGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with malunionBillable
S42.312SGreenstick fracture of shaft of humerus, left arm, sequelaBillable
S42.319Greenstick fracture of shaft of humerus, unspecified armCategory
S42.319AGreenstick fracture of shaft of humerus, unspecified arm, initial encounter for closed fractureBillable
S42.319DGreenstick fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with routine healingBillable
S42.319GGreenstick fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with delayed healingBillable
S42.319KGreenstick fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunionBillable
S42.319PGreenstick fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with malunionBillable
S42.319SGreenstick fracture of shaft of humerus, unspecified arm, sequelaBillable

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.