ICD-10 Code C83.80 – Other non-follicular lymphoma, unspecified site (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C83.80 – Other non-follicular lymphoma, unspecified site
What it is
C83.80 identifies a non-follicular lymphoma when the record does not specify a more exact subtype or site. Use it for lymphoma documentation that remains nonspecific after review.
Clinical signs
Clinical features vary; refer to documentation. Common lymphoma findings may include enlarged lymph nodes, constitutional symptoms, or disease detected on imaging or biopsy, but you should code only what is documented.
When to use this code
Use this code when the provider documents other non-follicular lymphoma and does not name a more specific lymphoma type or anatomic site. It also fits cases where the site is not stated in the available record. If pathology or the note later identifies a specific subtype, update the code accordingly.
Do not use for
Do not use C83.80 for follicular lymphoma, Hodgkin lymphoma, or a specifically named non-follicular lymphoma with a documented site. Check documentation if the record supports a more precise code.
Coding tip
Before assigning C83.80, verify whether pathology, oncology notes, or discharge summaries provide a more specific lymphoma diagnosis.