C85.9
Header — not billableNon-Hodgkin lymphoma, unspecified
The ICD-10 code for non-hodgkin lymphoma, unspecified is C85.9.
C85.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 11 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Lymphoma NOS
- Malignant lymphoma NOS
- Non-Hodgkin lymphoma NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under C85.9
- C85.90Non-Hodgkin lymphoma, unspecified, unspecified site
- C85.91Non-Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neck
- C85.92Non-Hodgkin lymphoma, unspecified, intrathoracic lymph nodes
- C85.93Non-Hodgkin lymphoma, unspecified, intra-abdominal lymph nodes
- C85.94Non-Hodgkin lymphoma, unspecified, lymph nodes of axilla and upper limb
- C85.95Non-Hodgkin lymphoma, unspecified, lymph nodes of inguinal region and lower limb
- C85.96Non-Hodgkin lymphoma, unspecified, intrapelvic lymph nodes
- C85.97Non-Hodgkin lymphoma, unspecified, spleen
- C85.98Non-Hodgkin lymphoma, unspecified, lymph nodes of multiple sites
- C85.99Non-Hodgkin lymphoma, unspecified, extranodal and solid organ sites
- C85.9ANon-Hodgkin lymphoma, unspecified, in remission
Related codes in this category
- C85.1Unspecified B-cell lymphomanon-billable header
- C85.2Mediastinal (thymic) large B-cell lymphomanon-billable header
- C85.8Other specified types of non-Hodgkin lymphomanon-billable header
- C85.9Non-Hodgkin lymphoma, unspecifiednon-billable header