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C85.90 — Non-Hodgkin lymphoma, unspecified, unspecified site
C85.90
What this code means
Non-Hodgkin lymphoma is a group of cancers of the lymphatic system arising from lymphocytes.
Also called: non-hodgkin lymphoma, nhl.
When this code is used
Used for non-Hodgkin lymphoma when the type and sites are not specified.
Where it sits in ICD-10-CM
Code C85.90 belongs to Chapter 2: Neoplasms, which covers codes C00–D49 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Learn more about this condition
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code C85.90?
C85.90 is the ICD-10-CM diagnosis code for “Non-Hodgkin lymphoma, unspecified, unspecified site”. Non-Hodgkin lymphoma is a group of cancers of the lymphatic system arising from lymphocytes.
When is code C85.90 used?
Used for non-Hodgkin lymphoma when the type and sites are not specified. It belongs to Chapter 2 of ICD-10-CM (Neoplasms).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.