M84.653Pathological fracture in other disease, unspecified femur

M84.653 is the ICD-10-CM diagnosis code for pathological fracture in other disease, unspecified femur. It belongs to category M84 (disorder of continuity of bone), block M80-M85 (disorders of bone density and structure) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

Within M84.65, choose M84.653 (unspecified femur) only when documentation doesn't support a more specific option: pelvis (M84.650), right femur (M84.651), left femur (M84.652) and hip, unspecified (M84.659).

Codes in this range require a 7th character: A for initial encounter for fracture, D for subsequent encounter for fracture with routine healing, G for subsequent encounter for fracture with delayed healing, K for subsequent encounter for fracture with nonunion, P for subsequent encounter for fracture with malunion and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.