M84.4 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Pathological fracture, not elsewhere classified.
Inclusion term
Chronic fracture
Pathological fracture NOS
Type 1 excludes
Type 2 excludes
Personal history of (healed) pathological fracture (Z87.311)
Seventh character note
The appropriate 7th character is to be added to each code from subcategory M84.4:
Seventh character extensions
A: initial encounter for fracture
D: subsequent encounter for fracture with routine healing
G: subsequent encounter for fracture with delayed healing
K: subsequent encounter for fracture with nonunion
P: subsequent encounter for fracture with malunion
S: sequela
Codes
M84.40
Pathological fracture, unspecified site
M84.41
Pathological fracture, shoulder
M84.42
Pathological fracture, humerus
M84.43
Pathological fracture, ulna and radius
M84.44
Pathological fracture, hand and fingers
M84.45
Pathological fracture, femur and pelvis
M84.46
Pathological fracture, tibia and fibula
M84.47
Pathological fracture, ankle, foot and toes
M84.48
Pathological fracture, other site
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code