C90.0 — Multiple myeloma
Is C90.0 billable?
No — C90.0 is a non-billable header code. C90.0 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 C90.0.
Billable codes under this header
C90.0 at a glance
| Code | C90.0 |
|---|---|
| Description | Multiple myeloma |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is C90.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C90.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Kahler's disease
- Myeloma (multiple)
- Myelomatosis
- Myeloma › plasma cell (multiple)
- Plasmacytoma › medullary
- Arthritis, arthritic › in › multiple myelomatosis (acute) (chronic) (nonpyogenic) (subacute)
- Arthritis, arthritic › in › myelomatosis (acute) (chronic) (nonpyogenic) (subacute)
- Arthropathy › in › multiple myeloma
- Disorder › glomerular › multiple myeloma (of)
- Disorder › tubulo-interstitial › multiple myeloma (of)
- Glomerulonephritis › in › multiple myeloma
- Myeloma › monostotic › plasma cell (multiple)
Excludes1 — never code together
The conditions below can never be reported together with C90.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Inclusion terms
Alternative wording in documentation that is classified to C90.0.
- Kahler's disease
- Medullary plasmacytoma
- Myelomatosis
- Plasma cell myeloma
Excludes1 — never code together — inherited from C90
The conditions below can never be reported together with C90.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)
Excludes2 — not included here — inherited from C81-C96
The conditions below are not part of C90.0, but a patient may have both at the same time. When documentation supports it, C90.0 and the excluded code may both be reported.
What codes fall under C90.0? (3)
How long has C90.0 existed?
C90.0 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.
Which codes are confused with C90.0?
ICD-10-CM declares these codes mutually exclusive with C90.0 — exactly one of each pair can be correct for a given encounter.