M80.079Age-related osteoporosis with current pathological fracture, unspecified ankle and foot

M80.079 is the ICD-10-CM diagnosis code for age-related osteoporosis with current pathological fracture, unspecified ankle and foot. It belongs to category M80 (osteoporosis with current pathological fracture), 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 M80.07, choose M80.079 (unspecified ankle and foot) only when documentation doesn't support a more specific option: right ankle and foot (M80.071) and left ankle and foot (M80.072).

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.

Use an additional code to identify major osseous defect, if applicable (M89.7-).

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