C81.9
⚠ Non-billable (Header)Hodgkin lymphoma, unspecified
Neoplasms (C00-D49)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from C81Rules from parent category C81: Hodgkin lymphoma
- • personal history of Hodgkin lymphoma (Z85.71)
Child Codes (11)
C81.90Hodgkin lymphoma, unspecified, unspecified siteC81.91Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neckC81.92Hodgkin lymphoma, unspecified, intrathoracic lymph nodesC81.93Hodgkin lymphoma, unspecified, intra-abdominal lymph nodesC81.94Hodgkin lymphoma, unspecified, lymph nodes of axilla and upper limbC81.95Hodgkin lymphoma, unspecified, lymph nodes of inguinal region and lower limbC81.96Hodgkin lymphoma, unspecified, intrapelvic lymph nodesC81.97Hodgkin lymphoma, unspecified, spleenC81.98Hodgkin lymphoma, unspecified, lymph nodes of multiple sitesC81.99Hodgkin lymphoma, unspecified, extranodal and solid organ sitesC81.9AHodgkin lymphoma, unspecified, in remission
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CodeC81.9
BillableNo — Header code
ParentC81
CategoryNeoplasms (C00-D49)
Excludes11 rule(s)
Excludes20 note(s)
Child codes11
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)