M85.51 — Aneurysmal bone cyst, shoulder
Is M85.51 billable?
No — M85.51 is a non-billable header code. M85.51 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 3 billable codes beneath M85.51.
M85.51 at a glance
| Code | M85.51 |
|---|---|
| Description | Aneurysmal bone cyst, shoulder |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is M85.51 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to M85.51. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Cyst › boneNEC › aneurysmal › shoulder (colloid) (mucous) (simple) (retention)
Excludes1 — never code together — inherited from M85
The conditions below can never be reported together with M85.51 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 M85.51, but a patient may have both at the same time. When documentation supports it, M85.51 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 M85.5
The conditions below are not part of M85.51, but a patient may have both at the same time. When documentation supports it, M85.51 and the excluded code may both be reported.
- aneurysmal cyst of jaw (M27.4)
What codes fall under M85.51? (3)
How long has M85.51 existed?
M85.51 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 M85.5 family? (9)
- M85.50Aneurysmal bone cyst, unspecified site
- M85.52Aneurysmal bone cyst, upper armnot billable
- M85.53Aneurysmal bone cyst, forearmnot billable
- M85.54Aneurysmal bone cyst, handnot billable
- M85.55Aneurysmal bone cyst, thighnot billable
- M85.56Aneurysmal bone cyst, lower legnot billable
- M85.57Aneurysmal bone cyst, ankle and footnot billable
- M85.58Aneurysmal bone cyst, other site
- M85.59Aneurysmal bone cyst, multiple sites