C85.1
Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description
Unspecified B-cell lymphoma
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 2: Neoplasms (C00-D49).
General instructions are available for the parent sections:
Clinical Hierarchy
CH2Neoplasms (C00-D49)
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C85Other specified and unspecified types of non-Hodgkin lymphoma
C85.1Unspecified B-cell lymphoma
C85.10Unspecified B-cell lymphoma, unspecified site
C85.11Unspecified B-cell lymphoma, lymph nodes of head, face, and neck
C85.12Unspecified B-cell lymphoma, intrathoracic lymph nodes
C85.13Unspecified B-cell lymphoma, intra-abdominal lymph nodes
C85.14Unspecified B-cell lymphoma, lymph nodes of axilla and upper limb
C85.15Unspecified B-cell lymphoma, lymph nodes of inguinal region and lower limb
C85.16Unspecified B-cell lymphoma, intrapelvic lymph nodes
C85.17Unspecified B-cell lymphoma, spleen
C85.18Unspecified B-cell lymphoma, lymph nodes of multiple sites
C85.19Unspecified B-cell lymphoma, extranodal and solid organ sites
C85.1AUnspecified B-cell lymphoma, in remission
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to C85.1:
blockC81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
View context instructionsAlphabetic Index Mentions
These are Diagnosis Index lookup paths that route to C85.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
1 raw paths
Lymphoma (of) (malignant)1 unique routes
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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Find surgical and procedural codes related to Unspecified B-cell lymphoma.
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