C81.21Billable
Mixed cellularity Hodgkin lymphoma, lymph nodes of head, face, and neck
Short description: Mixed cellular Hodgkin lymph, nodes of head, face, and neck
- Chapter
- 2. Neoplasms
- Category
- C81
- Effective date
- October 1, 2026
Related codes in category C81
C81Hodgkin lymphomaC81.0Nodular lymphocyte predominant Hodgkin lymphomaC81.00Nodular lymphocyte predominant Hodgkin lymphoma, unsp siteYesC81.01Nodlr lymphocy predom Hdgkn lymph, nodes of head, face, & nkYesC81.02Nodular lymphocy predom Hodgkin lymphoma, intrathorac nodesYesC81.03Nodular lymphocyte predom Hodgkin lymphoma, intra-abd nodesYesC81.04Nodlr lymphocy predom Hdgkn lymph, nodes of axla and upr lmbYesC81.05Nodlr lymphocy predom Hdgkn lymph,nodes of ing rgn & low lmbYesC81.06Nodular lymphocyte predom Hodgkin lymphoma, intrapelv nodesYesC81.07Nodular lymphocyte predominant Hodgkin lymphoma, spleenYesC81.08Nodular lymphocyte predom Hodgkin lymphoma, nodes mult siteYesC81.09Nodlr lymphocy predom Hdgkn lymph, extrnod & solid org siteYes
Frequently asked questions
What is ICD-10 code C81.21?
C81.21 is an ICD-10-CM diagnosis code for Mixed cellularity Hodgkin lymphoma, lymph nodes of head, face, and neck.
Is C81.21 a billable code?
Yes. C81.21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C81.21 in?
C81.21 falls under Chapter 2: Neoplasms.
When did C81.21 become effective?
C81.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C81.21?
C81.21 belongs to category C81, 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.