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ICD-10-CM · FY 2026 APRIL UPDATE

M84.42

Pathological fracture, 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
M84.421Pathological fracture, right humerusCategory
M84.421APathological fracture, right humerus, initial encounter for fractureBillable
M84.421DPathological fracture, right humerus, subsequent encounter for fracture with routine healingBillable
M84.421GPathological fracture, right humerus, subsequent encounter for fracture with delayed healingBillable
M84.421KPathological fracture, right humerus, subsequent encounter for fracture with nonunionBillable
M84.421PPathological fracture, right humerus, subsequent encounter for fracture with malunionBillable
M84.421SPathological fracture, right humerus, sequelaBillable
M84.422Pathological fracture, left humerusCategory
M84.422APathological fracture, left humerus, initial encounter for fractureBillable
M84.422DPathological fracture, left humerus, subsequent encounter for fracture with routine healingBillable
M84.422GPathological fracture, left humerus, subsequent encounter for fracture with delayed healingBillable
M84.422KPathological fracture, left humerus, subsequent encounter for fracture with nonunionBillable
M84.422PPathological fracture, left humerus, subsequent encounter for fracture with malunionBillable
M84.422SPathological fracture, left humerus, sequelaBillable
M84.429Pathological fracture, unspecified humerusCategory
M84.429APathological fracture, unspecified humerus, initial encounter for fractureBillable
M84.429DPathological fracture, unspecified humerus, subsequent encounter for fracture with routine healingBillable
M84.429GPathological fracture, unspecified humerus, subsequent encounter for fracture with delayed healingBillable
M84.429KPathological fracture, unspecified humerus, subsequent encounter for fracture with nonunionBillable
M84.429PPathological fracture, unspecified humerus, subsequent encounter for fracture with malunionBillable
M84.429SPathological fracture, unspecified humerus, 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.

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