C90.21Billable
Extramedullary plasmacytoma in remission
- Chapter
- 2. Neoplasms
- Category
- C90
- Effective date
- October 1, 2026
Related codes in category C90
C90Multiple myeloma and malignant plasma cell neoplasmsC90.0Multiple myelomaC90.00Multiple myeloma not having achieved remissionYesC90.01Multiple myeloma in remissionYesC90.02Multiple myeloma in relapseYesC90.1Plasma cell leukemiaC90.10Plasma cell leukemia not having achieved remissionYesC90.11Plasma cell leukemia in remissionYesC90.12Plasma cell leukemia in relapseYesC90.2Extramedullary plasmacytomaC90.20Extramedullary plasmacytoma not having achieved remissionYesC90.22Extramedullary plasmacytoma in relapseYes
Frequently asked questions
What is ICD-10 code C90.21?
C90.21 is an ICD-10-CM diagnosis code for Extramedullary plasmacytoma in remission.
Is C90.21 a billable code?
Yes. C90.21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C90.21 in?
C90.21 falls under Chapter 2: Neoplasms.
When did C90.21 become effective?
C90.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C90.21?
C90.21 belongs to category C90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.