C83.01 ICD-10-CM Code: Small cell B-cell lymphoma, lymph nodes of head, face, and neck

C83.01 is the billable ICD-10-CM code for “Small cell B-cell lymphoma, lymph nodes of head, face, and neck” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

C83.01

Small cell B-cell lymphoma, lymph nodes of head, face, and neck

ICD-10-CM diagnosis code · United States clinical modification

Where C83.01 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

  3. 3

    Category C83

    Non-follicular lymphoma

  4. 4

    Subcategory C83.0

    Small cell B-cell lymphoma

  5. 5

    Code C83.01

    Small cell B-cell lymphoma, lymph nodes of head, face, and neck

Notes for this code

Inclusion terms

No inclusion terms are listed for C83.01.

Code first

No “code first” instruction is listed for C83.01.

Use additional code

No “use additional code” instruction is listed for C83.01.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C83.01.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C83.01.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code C83.01 mean?

C83.01 is the FY 2027 U.S. ICD-10-CM code for “Small cell B-cell lymphoma, lymph nodes of head, face, and neck.”

Is C83.01 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, C83.01 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is C83.01 located in ICD-10-CM?

C83.01 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96) (C81–C96), under category C83, Non-follicular lymphoma and subcategory C83.0, Small cell B-cell lymphoma.

What coding notes are listed for C83.01?

No inclusion terms are listed for C83.01 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.