M84.473 — Pathological fracture, unspecified ankle
Is M84.473 billable?
No — M84.473 is a non-billable header code. M84.473 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 M84.473.
Billable codes under this header
- M84.473APathological fracture, unspecified ankle, initial encounter for fracture
- M84.473DPathological fracture, unspecified ankle, subsequent encounter for fracture with routine healing
- M84.473GPathological fracture, unspecified ankle, subsequent encounter for fracture with delayed healing
- M84.473KPathological fracture, unspecified ankle, subsequent encounter for fracture with nonunion
- M84.473PPathological fracture, unspecified ankle, subsequent encounter for fracture with malunion
- M84.473SPathological fracture, unspecified ankle, sequela
M84.473 at a glance
| Code | M84.473 |
|---|---|
| Description | Pathological fracture, unspecified ankle |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is M84.473 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M84.47, the nearest indexed parent of M84.473. Use them to find the family, then select the specific code.
- Fracture, pathological › ankle (pathologic)
- Fracture, pathological › metatarsus (pathologic)
- Fracture, pathological › tarsus (pathologic)
- Fracture, pathological › toe (pathologic)
Excludes1 — never code together — inherited from M84.4
The conditions below can never be reported together with M84.473 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 M84.473, but a patient may have both at the same time. When documentation supports it, M84.473 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 M84.473, but a patient may have both at the same time. When documentation supports it, M84.473 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 M84.473, but a patient may have both at the same time. When documentation supports it, M84.473 and the excluded code may both be reported.
- personal history of (healed) pathological fracture (Z87.311)
What codes fall under M84.473? (6)
- M84.473APathological fracture, unspecified ankle, initial encounter for fracture
- M84.473DPathological fracture, unspecified ankle, subsequent encounter for fracture with routine healing
- M84.473GPathological fracture, unspecified ankle, subsequent encounter for fracture with delayed healing
- M84.473KPathological fracture, unspecified ankle, subsequent encounter for fracture with nonunion
- M84.473PPathological fracture, unspecified ankle, subsequent encounter for fracture with malunion
- M84.473SPathological fracture, unspecified ankle, sequela
How long has M84.473 existed?
M84.473 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.
What other codes are in the M84.47 family? (8)
- M84.471Pathological fracture, right anklenot billable
- M84.472Pathological fracture, left anklenot billable
- M84.474Pathological fracture, right footnot billable
- M84.475Pathological fracture, left footnot billable
- M84.476Pathological fracture, unspecified footnot billable
- M84.477Pathological fracture, right toe(s)not billable
- M84.478Pathological fracture, left toe(s)not billable
- M84.479Pathological fracture, unspecified toe(s)not billable