M84.464 — Pathological fracture, left fibula
Is M84.464 billable?
No — M84.464 is a non-billable header code. M84.464 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath M84.464.
Billable codes under this header
- M84.464APathological fracture, left fibula, initial encounter for fracture
- M84.464DPathological fracture, left fibula, subsequent encounter for fracture with routine healing
- M84.464GPathological fracture, left fibula, subsequent encounter for fracture with delayed healing
- M84.464KPathological fracture, left fibula, subsequent encounter for fracture with nonunion
- M84.464PPathological fracture, left fibula, subsequent encounter for fracture with malunion
- M84.464SPathological fracture, left fibula, sequela
M84.464 at a glance
| Code | M84.464 |
|---|---|
| Description | Pathological fracture, left fibula |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is M84.464 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M84.46, the nearest indexed parent of M84.464. Use them to find the family, then select the specific code.
- Fracture, pathological › fibula (pathologic)
- Fracture, pathological › tibia (pathologic)
Excludes1 — never code together — inherited from M84.4
The conditions below can never be reported together with M84.464 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M84.464, but a patient may have both at the same time. When documentation supports it, M84.464 and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from M84
The conditions below are not part of M84.464, but a patient may have both at the same time. When documentation supports it, M84.464 and the excluded code may both be reported.
- traumatic fracture of bone-see fracture, by site
Excludes2 — not included here — inherited from M84.4
The conditions below are not part of M84.464, but a patient may have both at the same time. When documentation supports it, M84.464 and the excluded code may both be reported.
- personal history of (healed) pathological fracture (Z87.311)
What codes fall under M84.464? (6)
- M84.464APathological fracture, left fibula, initial encounter for fracture
- M84.464DPathological fracture, left fibula, subsequent encounter for fracture with routine healing
- M84.464GPathological fracture, left fibula, subsequent encounter for fracture with delayed healing
- M84.464KPathological fracture, left fibula, subsequent encounter for fracture with nonunion
- M84.464PPathological fracture, left fibula, subsequent encounter for fracture with malunion
- M84.464SPathological fracture, left fibula, sequela
How long has M84.464 existed?
M84.464 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.