M84.5
Pathological fracture in neoplastic disease
Not billable — category only FY2026 2025-10-01 → 2026-09-30
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 filed at null
No alphabetic index entry points at this code.
Alongside this code 6 same parent — M84
M84.3 Stress fracture category M84.4 Pathological fracture, not elsewhere classified category M84.6 Pathological fracture in other disease category M84.7 Nontraumatic fracture, not elsewhere classified category M84.8 Other disorders of continuity of bone category M84.9 Disorder of continuity of bone, unspecified
Subordinate codes 9
M84.50 Pathological fracture in neoplastic disease, unsp site M84.51 Pathological fracture in neoplastic disease, shoulder M84.52 Pathological fracture in neoplastic disease, humerus M84.53 Pathological fracture in neoplastic disease, ulna and radius M84.54 Pathological fracture in neoplastic disease, hand M84.55 Path fracture in neoplastic disease, pelvis and femur M84.56 Path fracture in neoplastic disease, tibia and fibula M84.57 Pathological fracture in neoplastic disease, ankle and foot M84.58 Pathological fracture in neoplastic disease, oth site
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.