M84.75
Atypical femoral fracture
Not billable — category only FY2026 2025-10-01 → 2026-09-30
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 1
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 filed at null
No alphabetic index entry points at this code.
Subordinate codes 10
M84.750 Atypical femoral fracture, unspecified M84.751 Incomplete atypical femoral fracture, right leg M84.752 Incomplete atypical femoral fracture, left leg M84.753 Incomplete atypical femoral fracture, unspecified leg M84.754 Complete transverse atypical femoral fracture, right leg M84.755 Complete transverse atypical femoral fracture, left leg M84.756 Complete transverse atypical femoral fracture, unsp leg M84.757 Complete oblique atypical femoral fracture, right leg M84.758 Complete oblique atypical femoral fracture, left leg M84.759 Complete oblique atypical femoral fracture, unspecified leg
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.