C83.0
Non-Billable

Small cell B-cell lymphoma

Non-Billable / Non-Specific Code

What is Small cell B-cell lymphoma?

ICD-10-CM C83.0 is the diagnosis code for Small cell B-cell lymphoma. This code falls under the section "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

đź’ˇ Inclusions
â›” Excludes1

Coding Guidelines for C83.0

âś… This Code Includes

  • Lymphoplasmacytic lymphoma
  • Nodal marginal zone lymphoma
  • Non-leukemic variant of B-CLL
  • Splenic marginal zone lymphoma

â›” Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as C83.0. They are mutually exclusive:

  • chronic lymphocytic leukemia (C91.1)
  • mature T/NK-cell lymphomas (C84.-)
  • Waldenström macroglobulinemia (C88.00)

ICD-10-CM Code Hierarchy

Understanding where C83.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 11 entries
C83.00Small cell B-cell lymphoma, unspecified siteBillableC83.01Small cell B-cell lymphoma, lymph nodes of head, face, and neckBillableC83.02Small cell B-cell lymphoma, intrathoracic lymph nodesBillableC83.03Small cell B-cell lymphoma, intra-abdominal lymph nodesBillableC83.04Small cell B-cell lymphoma, lymph nodes of axilla and upper limbBillableC83.05Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limbBillableC83.06Small cell B-cell lymphoma, intrapelvic lymph nodesBillableC83.07Small cell B-cell lymphoma, spleenBillableC83.08Small cell B-cell lymphoma, lymph nodes of multiple sitesBillableC83.09Small cell B-cell lymphoma, extranodal and solid organ sitesBillableC83.0ASmall cell B-cell lymphoma, in remissionBillable
Related Codes

Frequently Asked Questions

Is C83.0 a billable ICD-10-CM code?

No, C83.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C83.0 mean?

C83.0 is the ICD-10-CM diagnosis code for "Small cell B-cell lymphoma". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C83.0?

The parent code of C83.0 is C83 ("Non-follicular lymphoma"). C83.0 provides a more specific classification within this category.

What section is C83.0 in?

C83.0 is located in Section C81-C96 — "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C83.0?

C83.0 has 11 sub-code(s) that provide more specific detail: C83.00, C83.01, C83.02, C83.03, C83.04 and more.

When should I use C83.0?

Use C83.0 when the patients documented diagnosis matches "Small cell B-cell lymphoma" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Small cell B-cell lymphoma?

The ICD-10-CM code for Small cell B-cell lymphoma is C83.0.

Can C83.0 be used for primary diagnosis?

No, C83.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C83.0 in?

C83.0 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from C83.0?

Type 1 Excludes for C83.0 include: chronic lymphocytic leukemia (C91.1); mature T/NK-cell lymphomas (C84.-); Waldenström macroglobulinemia (C88.00).

Is C83.0 valid for 2026?

Yes, C83.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC83Non-follicular lymphomaNext →C83.00Small cell B-cell lymphoma, unspecified site
Code Details
C83.0
Small cell B-cell lymphoma
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C81-C96 — Malignant neoplasms of lymphoid, hematopoietic and related tissue
2026 ICD-10-CM