M84.45 – Pathological fracture, femur and pelvis
ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure
- Code
M84.45(claims format:M8445)- Description
- Pathological fracture, femur and pelvis
- 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 › M84.4
Billable codes under M84.45
M84.45 is a header code and cannot be used on claims. Choose the most specific code:
- M84.451 – Pathological fracture, right femurHeader (more codes below)
- M84.452 – Pathological fracture, left femurHeader (more codes below)
- M84.453 – Pathological fracture, unspecified femurHeader (more codes below)
- M84.454 – Pathological fracture, pelvisHeader (more codes below)
- M84.459 – Pathological fracture, hip, unspecifiedHeader (more codes below)
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
M84.4 – Pathological fracture, not elsewhere classified
- Chronic fracture
- Pathological fracture NOS
- personal history of (healed) pathological fracture (Z87.311)
- The appropriate 7th character is to be added to each code from subcategory M84.4:
Index terms for M84.45
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M84.4
- M84.40 – Pathological fracture, unspecified siteHeader
- M84.41 – Pathological fracture, shoulderHeader
- M84.42 – Pathological fracture, humerusHeader
- M84.43 – Pathological fracture, ulna and radiusHeader
- M84.44 – Pathological fracture, hand and fingersHeader
- M84.46 – Pathological fracture, tibia and fibulaHeader
- M84.47 – Pathological fracture, ankle, foot and toesHeader
- M84.48 – Pathological fracture, other siteHeader
Frequently asked questions
What is ICD-10 code M84.45?
M84.45 is the ICD-10-CM code for pathological fracture, femur and pelvis, in the block M80-M85 (Disorders of bone density and structure).
Is M84.45 a billable code?
No. M84.45 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M84.45 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.