ICD-10 Code C85 – Other specified and unspecified types of non-Hodgkin lymphoma (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C85 – Other specified and unspecified types of non-Hodgkin lymphoma
What it is
C85 identifies non-Hodgkin lymphoma when the record does not name a more specific subtype, or when the subtype is described as other specified. Use it for lymphoma cases that are clearly non-Hodgkin but not further classified.
Clinical signs
Clinical features vary; refer to documentation. Non-Hodgkin lymphoma commonly presents with lymph node enlargement, constitutional symptoms, or extranodal involvement, but the exact pattern depends on the specific lymphoma type.
When to use this code
Use C85 when the provider documents non-Hodgkin lymphoma without naming a subtype, or when the subtype is recorded as unspecified. It also applies when the note says “other specified” non-Hodgkin lymphoma and no more precise code is available.
Check the pathology, oncology, or discharge documentation for a more specific diagnosis before assigning C85. If a distinct histology or site is documented, code that condition instead.
Do not use for
Do not use C85 for Hodgkin lymphoma or for a clearly identified non-Hodgkin subtype that has its own code. Avoid it when the chart supports a more specific diagnosis.
Coding tip
Before finalizing C85, verify whether the provider documented a specific non-Hodgkin lymphoma subtype anywhere in the record.