2026 ICD-10-CM Diagnosis Code C83.80Other non-follicular lymphoma, unspecified site
ICD-10-CM Codes›C00–D49›C81-C96›C83
- Billable — Valid for Submission
- Chronic Condition
C83.80 is a billable ICD-10-CM diagnosis code for other non-follicular lymphoma, unspecified site. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 820 through 825, 840 through 842, 974 through 976. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Non-Hodgkin lymphoma.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Disease caused by Human herpesvirus 8
- Lymphomatoid granulomatosis
- Malignant lymphomatoid granulomatosis
- Malignant lymphomatoid granulomatosis grade 3
- Malignant neoplasm with AIDS
- Malignant neoplastic disease co-occurrent with human immunodeficiency virus infection
- Non-Hodgkin lymphoma associated with Human immunodeficiency virus infection
- Primary effusion lymphoma
- Primary effusion lymphoma co-occurrent with infection caused by Human herpesvirus 8
- Primary effusion lymphoma due to human immune deficiency virus infection
- Reticulosarcoma co-occurrent with human immunodeficiency virus infection
- Reticulosarcoma with AIDS
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Lymphomatoid Granulomatosis
an angiocentric and angiodestructive lymphoproliferative disorder primarily involving the lungs. it is caused by an epstein-barr virus-induced transformation of the b-cells, in a t-cell rich environment. clinically and pathologically it resembles extranodal nk-t-cell lymphoma.Lymphoma, Extranodal NK-T-Cell
an extranodal neoplasm, usually possessing an nk-cell phenotype and associated with epstein-barr virus. these lymphomas exhibit a broad morphologic spectrum, frequent necrosis, angioinvasion, and most commonly present in the midfacial region, but also in other extranodal sites.
Patient EducationClinical
Lymphoma
Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease. The rest are called non-Hodgkin lymphomas.
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Convert C83.80 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About C83.80Overview
Is C83.80 (Other non-follicular lymphoma) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other non-follicular lymphoma, unspecified site on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does C83.80 group to?
When other non-follicular lymphoma, unspecified site is the principal diagnosis on an inpatient stay, it groups to MS-DRG 820, 821, 822, 823, 824, 825, 840, 841, 842, 974, 975, 976, with relative weights from 0.8945 to 5.8648 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of C83.80?
Under the General Equivalence Mappings, other non-follicular lymphoma, unspecified site converts to ICD-9-CM 200.30 (margnl zone lym xtrndl), 200.50 (primary CNS lymph xtrndl), and 200.80 (oth varn unsp xtrndl org). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
