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M84.559

Pathological fracture in neoplastic disease, hip, unspecified

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 4 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
M84.5code
Code also
  • underlying neoplasm
M00-M99chapter
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 1
  • Fracture, pathological (pathologic) — see also Fracture, traumatic M84.40
Alongside this code 4 same parent — M84.55
M84.550 Pathological fracture in neoplastic disease, pelvis category M84.551 Pathological fracture in neoplastic disease, right femur category M84.552 Pathological fracture in neoplastic disease, left femur category M84.553 Pathological fracture in neoplastic disease, unsp femur category
Subordinate codes 6
M84.559A Pathological fracture in neoplastic disease, hip, unsp, init M84.559D Path fx in neopltc dis, hip, unsp, subs for fx w routn heal M84.559G Path fx in neopltc dis, hip, unsp, subs for fx w delay heal M84.559K Path fx in neopltc dis, hip, unsp, subs for fx w nonunion M84.559P Path fx in neopltc dis, hip, unsp, subs for fx w malunion M84.559S Path fracture in neoplastic disease, hip, unsp, 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.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
M84.55
Block
M80-M94
Siblings
4
Subordinate
6

Present FY2024–FY2027.