M84.521 — Pathological fracture in neoplastic disease, right humerus
Is M84.521 billable?
No — M84.521 is a non-billable header code. M84.521 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 M84.521.
Billable codes under this header
- M84.521APathological fracture in neoplastic disease, right humerus, initial encounter for fracture
- M84.521DPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with routine healing
- M84.521GPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with delayed healing
- M84.521KPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with nonunion
- M84.521PPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with malunion
- M84.521SPathological fracture in neoplastic disease, right humerus, sequela
M84.521 at a glance
| Code | M84.521 |
|---|---|
| Description | Pathological fracture in neoplastic disease, right humerus |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is M84.521 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M84.52, the nearest indexed parent of M84.521. Use them to find the family, then select the specific code.
- Fracture, pathological › due to › neoplastic disease NEC › humerus (pathologic)
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M84.521, but a patient may have both at the same time. When documentation supports it, M84.521 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 M84.521, but a patient may have both at the same time. When documentation supports it, M84.521 and the excluded code may both be reported.
- traumatic fracture of bone-see fracture, by site
Code also — inherited from M84.5
Two codes may be needed to describe the condition fully. Whether M84.521 is sequenced first depends on the reason for the encounter.
- underlying neoplasm
What codes fall under M84.521? (6)
- M84.521APathological fracture in neoplastic disease, right humerus, initial encounter for fracture
- M84.521DPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with routine healing
- M84.521GPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with delayed healing
- M84.521KPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with nonunion
- M84.521PPathological fracture in neoplastic disease, right humerus, subsequent encounter for fracture with malunion
- M84.521SPathological fracture in neoplastic disease, right humerus, sequela
How long has M84.521 existed?
M84.521 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.