M84.573
Pathological fracture in neoplastic disease, unspecified ankle
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 11 never code together
M84code
Excludes2
- traumatic fracture of bone-see fracture, by site
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 6
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
Instructional notes 2
Index entries leading here 1
Alongside this code 5 same parent — M84.57
M84.571 Pathological fracture in neoplastic disease, right ankle category M84.572 Pathological fracture in neoplastic disease, left ankle category M84.574 Pathological fracture in neoplastic disease, right foot category M84.575 Pathological fracture in neoplastic disease, left foot category M84.576 Pathological fracture in neoplastic disease, unsp foot category
Subordinate codes 6
M84.573A Path fracture in neoplastic disease, unsp ankle, init M84.573D Path fx in neopltc dis, unsp ankle, subs for fx w routn heal M84.573G Path fx in neopltc dis, unsp ankle, subs for fx w delay heal M84.573K Path fx in neopltc dis, unsp ankle, subs for fx w nonunion M84.573P Path fx in neopltc dis, unsp ankle, subs for fx w malunion M84.573S Path fracture in neoplastic disease, unsp ankle, sequela
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.