M84.37
M84.37: Stress fracture, ankle, foot and toes
Non-billable headerICD-10-CM
M84.37 is a non-billable header ICD-10-CM code for stress fracture, ankle, foot and toes. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from subcategory M84.3:
- 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
Excludes1 inherited from the categories above M84.37
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above M84.37
Not part of this code, but both may be coded when both are present.
Written on M84.3: Stress fracture
Written on M84: Disorder of continuity of bone
- traumatic fracture of bone-see fracture, by site
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead M84.37
9 child codes. Green means billable.
- M84.371Stress fracture, right ankle
- M84.372Stress fracture, left ankle
- M84.373Stress fracture, unspecified ankle
- M84.374Stress fracture, right foot
- M84.375Stress fracture, left foot
- M84.376Stress fracture, unspecified foot
- M84.377Stress fracture, right toe(s)
- M84.378Stress fracture, left toe(s)
- M84.379Stress fracture, unspecified toe(s)