M84.50 – Pathological fracture in neoplastic disease, unspecified site
ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure
- Code
M84.50(claims format:M8450)- Description
- Pathological fracture in neoplastic disease, unspecified site
- Short description
- Pathological fracture in neoplastic disease, unsp site
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M80-M85 Disorders of bone density and structure
- Parent codes
- M84 › M84.5
Billable codes under M84.50
M84.50 is a header code and cannot be used on claims. Choose the most specific code:
- M84.50XA – Pathological fracture in neoplastic disease, unspecified site, initial encounter for fractureBillable
- M84.50XD – Pathological fracture in neoplastic disease, unspecified site, subsequent encounter for fracture with routine healingBillable
- M84.50XG – Pathological fracture in neoplastic disease, unspecified site, subsequent encounter for fracture with delayed healingBillable
- M84.50XK – Pathological fracture in neoplastic disease, unspecified site, subsequent encounter for fracture with nonunionBillable
- M84.50XP – Pathological fracture in neoplastic disease, unspecified site, subsequent encounter for fracture with malunionBillable
- M84.50XS – Pathological fracture in neoplastic disease, unspecified site, sequelaBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
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 |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M84 – Disorder of continuity of bone
- traumatic fracture of bone-see fracture, by site
M84.5 – Pathological fracture in neoplastic disease
- underlying neoplasm
- The appropriate 7th character is to be added to each code from subcategory M84.5:
Index terms for M84.50
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M84.5
- M84.51 – Pathological fracture in neoplastic disease, shoulderHeader
- M84.52 – Pathological fracture in neoplastic disease, humerusHeader
- M84.53 – Pathological fracture in neoplastic disease, ulna and radiusHeader
- M84.54 – Pathological fracture in neoplastic disease, handHeader
- M84.55 – Pathological fracture in neoplastic disease, pelvis and femurHeader
- M84.56 – Pathological fracture in neoplastic disease, tibia and fibulaHeader
- M84.57 – Pathological fracture in neoplastic disease, ankle and footHeader
- M84.58 – Pathological fracture in neoplastic disease, other specified siteHeader
Frequently asked questions
What is ICD-10 code M84.50?
M84.50 is the ICD-10-CM code for pathological fracture in neoplastic disease, unspecified site, in the block M80-M85 (Disorders of bone density and structure).
Is M84.50 a billable code?
No. M84.50 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M84.50 belong to?
It belongs to category M84 – Disorder of continuity of bone.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.