C88.21Billable
Heavy chain disease, in remission
- Chapter
- 2. Neoplasms
- Category
- C88
- Effective date
- October 1, 2026
Related codes in category C88
C88Malig immunoproliferative dis and certain oth B-cell lymphC88.0Waldenstrom macroglobulinemiaC88.00Waldenstrom macroglobulinemia not having achieved remissionYesC88.01Waldenstrom macroglobulinemia, in remissionYesC88.2Heavy chain diseaseC88.20Heavy chain disease not having achieved remissionYesC88.3Immunoproliferative small intestinal diseaseC88.30Immunoproliferative small intestinal disease not remissionYesC88.31Immunoproliferative small intestinal disease, in remissionYesC88.4Extrnod mrgnl zn B-cell lymph of mucosa-assoc lymphoid tissC88.40Extrnod mrgnl B-cell lymph mucosa-assoc lym tiss not remisYesC88.41Extrnod mrgnl B-cell lymph mucosa-assoc lym tiss, in remisYes
Frequently asked questions
What is ICD-10 code C88.21?
C88.21 is an ICD-10-CM diagnosis code for Heavy chain disease, in remission.
Is C88.21 a billable code?
Yes. C88.21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C88.21 in?
C88.21 falls under Chapter 2: Neoplasms.
When did C88.21 become effective?
C88.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C88.21?
C88.21 belongs to category C88, 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.