C85.1 Unspecified B-cell lymphoma

Non-billable header with 11 child codes.

Notes

• If B-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.

Applies from C85 Other specified and unspecified types of non-Hodgkin lymphoma

Excludes1 (never code together)

• other specified types of T/NK-cell lymphoma (C86.-)
• personal history of non-Hodgkin lymphoma (Z85.72)

Codes under C85.1

• C85.10 Unspecified B-cell lymphoma, unspecified site
• C85.11 Unspecified B-cell lymphoma, lymph nodes of head, face, and neck
• C85.12 Unspecified B-cell lymphoma, intrathoracic lymph nodes
• C85.13 Unspecified B-cell lymphoma, intra-abdominal lymph nodes
• C85.14 Unspecified B-cell lymphoma, lymph nodes of axilla and upper limb
• C85.15 Unspecified B-cell lymphoma, lymph nodes of inguinal region and lower limb
• C85.16 Unspecified B-cell lymphoma, intrapelvic lymph nodes
• C85.17 Unspecified B-cell lymphoma, spleen
• C85.18 Unspecified B-cell lymphoma, lymph nodes of multiple sites
• C85.19 Unspecified B-cell lymphoma, extranodal and solid organ sites
• C85.1A Unspecified B-cell lymphoma, in remission

Code annotations containing back-references to C85.1

Back-references to C85.1

• Type 1 Excludes: C88 Malignant immunoproliferative diseases and certain other B-cell lymphomas ("B-cell lymphoma, unspecified (C85.1-)")

Back-references to C85

• Type 1 Excludes: C26.1 Malignant neoplasm of spleen ("non-Hodgkin lymphoma (C82-C85)")
• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)")
• Type 1 Excludes: C77 Secondary and unspecified malignant neoplasm of lymph nodes ("malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)")
• Code Also: D47.02 Systemic mastocytosis ("non-Hodgkin lymphoma (C82-C85)")
• Code First: Z15.0 Genetic susceptibility to malignant neoplasm (", if applicable, any current malignant neoplasm (C00-C75, C81-C96)")

Diagnosis Index entries for C85.1

• Lymphoma (of) (malignant) › B-cell

Nearby codes

• C85 Other specified and unspecified types of non-Hodgkin lymphoma
• C85.1 Unspecified B-cell lymphoma (this code)
• C85.10 Unspecified B-cell lymphoma, unspecified site
• C85.11 Unspecified B-cell lymphoma, lymph nodes of head, face, and neck
• C85.12 Unspecified B-cell lymphoma, intrathoracic lymph nodes
• C85.13 Unspecified B-cell lymphoma, intra-abdominal lymph nodes
• C85.14 Unspecified B-cell lymphoma, lymph nodes of axilla and upper limb