M84.559
Pathological fracture in neoplastic disease, hip, unspecified
M84.559 is a non-billable ICD-10-CM code header for pathological fracture in neoplastic disease, hip, unspecified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. A 7th character is required to complete the code. Its coding notes include a Code also instruction and 11 Excludes2 entries.
7th character
Category M84.5 requires a 7th character.
Guidelines tips
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Sequencing depends on the focus of treatment: the fracture or the neoplasm.
7th character A applies while the patient is in active treatment, regardless of which provider sees them. D is for routine care during healing after active treatment ends.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
- underlying neoplasm
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- traumatic fracture of bone-see fracture, by site
Also from chapter/block level (10 notes)
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes
Also from chapter/block level (1 note)
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 1 entry
7th-character codes under M84.559 6
- M84.559APathological fracture in neoplastic disease, hip, unspecified, initial encounter for fractureBillable
- M84.559DPathological fracture in neoplastic disease, hip, unspecified, subsequent encounter for fracture with routine healingBillable
- M84.559GPathological fracture in neoplastic disease, hip, unspecified, subsequent encounter for fracture with delayed healingBillable
- M84.559KPathological fracture in neoplastic disease, hip, unspecified, subsequent encounter for fracture with nonunionBillable
- M84.559PPathological fracture in neoplastic disease, hip, unspecified, subsequent encounter for fracture with malunionBillable
- M84.559SPathological fracture in neoplastic disease, hip, unspecified, sequelaBillable