M84.50
Pathological fracture in neoplastic disease, unspecified site
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 8 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
- Fracture, pathological (pathologic) — see also Fracture, traumatic M84.40
- due to
- neoplastic disease NEC M84.50
- due to
Alongside this code 8 same parent — M84.5
M84.51 Pathological fracture in neoplastic disease, shoulder category M84.52 Pathological fracture in neoplastic disease, humerus category M84.53 Pathological fracture in neoplastic disease, ulna and radius category M84.54 Pathological fracture in neoplastic disease, hand category M84.55 Path fracture in neoplastic disease, pelvis and femur category M84.56 Path fracture in neoplastic disease, tibia and fibula category M84.57 Pathological fracture in neoplastic disease, ankle and foot category M84.58 Pathological fracture in neoplastic disease, oth site category
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.