M90.629 — Osteitis deformans in neoplastic diseases, unspecified upper arm
Is M90.629 billable?
Yes, but M90.629 is an unspecified code. M90.629 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, M90.629 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting M90.629 — the more specific alternatives are listed below.
M90.629 at a glance
| Code | M90.629 |
|---|---|
| Description | Osteitis deformans in neoplastic diseases, unspecified upper arm |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to M90.629?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name M90.629 directly.
This code describes a manifestation of an underlying disease. The underlying condition must be sequenced before it, so it can never be the principal or first-listed diagnosis.
Which MS-DRGs does M90.629 group to?
M90.629 sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 553Bone Diseases and Arthropathies with MCCmedical
- 554Bone Diseases and Arthropathies without MCCmedical
How is M90.629 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M90.62, the nearest indexed parent of M90.629. Use them to find the family, then select the specific code.
- Osteitis › deformans › in › neoplastic disease › humerus
Excludes1 — never code together — inherited from M86-M90
The conditions below can never be reported together with M90.629 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- postprocedural osteopathies (M96.-)
Excludes1 — never code together — inherited from M90
The conditions below can never be reported together with M90.629 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from M90.6
The conditions below can never be reported together with M90.629 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- osteitis deformans [Paget's disease of bone] (M88.-)
Code first — inherited from M90.6
The underlying condition below must be sequenced before M90.629. M90.629 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M90.629, but a patient may have both at the same time. When documentation supports it, M90.629 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)
How long has M90.629 existed?
M90.629 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.