Is M84.42 a billable code?
No. M84.42 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M84.42: Pathological fracture, humerus
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M84.42 groups related diagnoses under pathological fracture, humerus. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M84.42
- M84.421APathological fracture, right humerus, initial encounter for fracture
- M84.421DPathological fracture, right humerus, subsequent encounter for fracture with routine healing
- M84.421GPathological fracture, right humerus, subsequent encounter for fracture with delayed healing
- M84.421KPathological fracture, right humerus, subsequent encounter for fracture with nonunion
- M84.421PPathological fracture, right humerus, subsequent encounter for fracture with malunion
- M84.421SPathological fracture, right humerus, sequela
- M84.422APathological fracture, left humerus, initial encounter for fracture
- M84.422DPathological fracture, left humerus, subsequent encounter for fracture with routine healing
- M84.422GPathological fracture, left humerus, subsequent encounter for fracture with delayed healing
- M84.422KPathological fracture, left humerus, subsequent encounter for fracture with nonunion
- M84.422PPathological fracture, left humerus, subsequent encounter for fracture with malunion
- M84.422SPathological fracture, left humerus, sequela
- M84.429APathological fracture, unspecified humerus, initial encounter for fracture
- M84.429DPathological fracture, unspecified humerus, subsequent encounter for fracture with routine healing
- M84.429GPathological fracture, unspecified humerus, subsequent encounter for fracture with delayed healing
- M84.429KPathological fracture, unspecified humerus, subsequent encounter for fracture with nonunion
- M84.429PPathological fracture, unspecified humerus, subsequent encounter for fracture with malunion
- M84.429SPathological fracture, unspecified humerus, sequela
Other codes in M84.4 Pathological fracture, not elsewhere classified
- M84.40Pathological fracture, unspecified siteheader
- M84.41Pathological fracture, shoulderheader
- M84.43Pathological fracture, ulna and radiusheader
- M84.44Pathological fracture, hand and fingersheader
- M84.45Pathological fracture, femur and pelvisheader
- M84.46Pathological fracture, tibia and fibulaheader
- M84.47Pathological fracture, ankle, foot and toesheader
- M84.48Pathological fracture, other siteheader
M84.42 questions
What does M84.42 mean?
M84.42 is the ICD-10-CM code for Pathological fracture, humerus. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.