M84.75 – Atypical femoral fracture
ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure
- Code
M84.75(claims format:M8475)- Description
- Atypical femoral fracture
- 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 › M84.7
Billable codes under M84.75
M84.75 is a header code and cannot be used on claims. Choose the most specific code:
- M84.750 – Atypical femoral fracture, unspecifiedHeader (more codes below)
- M84.751 – Incomplete atypical femoral fracture, right legHeader (more codes below)
- M84.752 – Incomplete atypical femoral fracture, left legHeader (more codes below)
- M84.753 – Incomplete atypical femoral fracture, unspecified legHeader (more codes below)
- M84.754 – Complete transverse atypical femoral fracture, right legHeader (more codes below)
- M84.755 – Complete transverse atypical femoral fracture, left legHeader (more codes below)
- M84.756 – Complete transverse atypical femoral fracture, unspecified legHeader (more codes below)
- M84.757 – Complete oblique atypical femoral fracture, right legHeader (more codes below)
- M84.758 – Complete oblique atypical femoral fracture, left legHeader (more codes below)
- M84.759 – Complete oblique atypical femoral fracture, unspecified legHeader (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 for M84.75
- The appropriate 7th character is to be added to each code from M84.75:
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
Frequently asked questions
What is ICD-10 code M84.75?
M84.75 is the ICD-10-CM code for atypical femoral fracture, in the block M80-M85 (Disorders of bone density and structure).
Is M84.75 a billable code?
No. M84.75 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M84.75 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.