MCMedicalCodingSoftware
M84.571

M84.571: Pathological fracture in neoplastic disease, right ankle

Non-billable headerICD-10-CMright

M84.571 is a non-billable header ICD-10-CM code for pathological fracture in neoplastic disease, right ankle. 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 M84.5:

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

Excludes2 inherited from the categories above M84.571

Not part of this code, but both may be coded when both are present.

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 M84.571

6 child codes. Green means billable.

Other codes under M84.57

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.