C83.9
⚠ Non-billable (Header)Non-follicular (diffuse) lymphoma, unspecified
Neoplasms (C00-D49)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from C83Rules from parent category C83: Non-follicular lymphoma
- • personal history of non-Hodgkin lymphoma (Z85.72)
Child Codes (11)
C83.90Non-follicular (diffuse) lymphoma, unspecified, unspecified siteC83.91Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of head, face, and neckC83.92Non-follicular (diffuse) lymphoma, unspecified, intrathoracic lymph nodesC83.93Non-follicular (diffuse) lymphoma, unspecified, intra-abdominal lymph nodesC83.94Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of axilla and upper limbC83.95Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of inguinal region and lower limbC83.96Non-follicular (diffuse) lymphoma, unspecified, intrapelvic lymph nodesC83.97Non-follicular (diffuse) lymphoma, unspecified, spleenC83.98Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of multiple sitesC83.99Non-follicular (diffuse) lymphoma, unspecified, extranodal and solid organ sitesC83.9ANon-follicular (diffuse) lymphoma, unspecified, in remission
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CodeC83.9
BillableNo — Header code
ParentC83
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)