C83.00
Billable codeSmall cell B-cell lymphoma, unspecified site
The ICD-10 code for small cell b-cell lymphoma, unspecified site is C83.00.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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
- C83.00Small cell B-cell lymphoma, unspecified site
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20080Approximate match
Associated MS-DRGs
C83.00 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 814Reticuloendothelial and Immunity Disorders with MCC
- DRG 815Reticuloendothelial and Immunity Disorders with CC
- DRG 816Reticuloendothelial and Immunity Disorders without CC/MCC
- DRG 820Lymphoma and Leukemia with Major O.R. Procedures with MCC
- DRG 821Lymphoma and Leukemia with Major O.R. Procedures with CC
- DRG 822Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC
- DRG 823Lymphoma and Non-Acute Leukemia with Other Procedures with MCC
- DRG 824Lymphoma and Non-Acute Leukemia with Other Procedures with CC
- DRG 825Lymphoma and Non-Acute Leukemia with Other Procedures without CC/MCC
- DRG 840Lymphoma and Non-Acute Leukemia with MCC
- DRG 841Lymphoma and Non-Acute Leukemia with CC
- DRG 842Lymphoma and Non-Acute Leukemia without CC/MCC