C83.0
Header — not billableSmall cell B-cell lymphoma
The ICD-10 code for small cell b-cell lymphoma is C83.0.
C83.0 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 11 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Lymphoplasmacytic lymphoma
- Nodal marginal zone lymphoma
- Non-leukemic variant of B-CLL
- Splenic marginal zone lymphoma
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under C83.0
- C83.00Small cell B-cell lymphoma, unspecified site
- C83.01Small cell B-cell lymphoma, lymph nodes of head, face, and neck
- C83.02Small cell B-cell lymphoma, intrathoracic lymph nodes
- C83.03Small cell B-cell lymphoma, intra-abdominal lymph nodes
- C83.04Small cell B-cell lymphoma, lymph nodes of axilla and upper limb
- C83.05Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb
- C83.06Small cell B-cell lymphoma, intrapelvic lymph nodes
- C83.07Small cell B-cell lymphoma, spleen
- C83.08Small cell B-cell lymphoma, lymph nodes of multiple sites
- C83.09Small cell B-cell lymphoma, extranodal and solid organ sites
- C83.0ASmall cell B-cell lymphoma, in remission
Related codes in this category
- C83.1Mantle cell lymphomanon-billable header
- C83.3Diffuse large B-cell lymphomanon-billable header
- C83.5Lymphoblastic (diffuse) lymphomanon-billable header
- C83.7Burkitt lymphomanon-billable header
- C83.8Other non-follicular lymphomanon-billable header
- C83.9Non-follicular (diffuse) lymphoma, unspecifiednon-billable header
- C83.0Small cell B-cell lymphomanon-billable header