C82.9
Header — not billableFollicular lymphoma, unspecified
The ICD-10 code for follicular lymphoma, unspecified is C82.9.
C82.9 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.
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 C82.9
- C82.90Follicular lymphoma, unspecified, unspecified site
- C82.91Follicular lymphoma, unspecified, lymph nodes of head, face, and neck
- C82.92Follicular lymphoma, unspecified, intrathoracic lymph nodes
- C82.93Follicular lymphoma, unspecified, intra-abdominal lymph nodes
- C82.94Follicular lymphoma, unspecified, lymph nodes of axilla and upper limb
- C82.95Follicular lymphoma, unspecified, lymph nodes of inguinal region and lower limb
- C82.96Follicular lymphoma, unspecified, intrapelvic lymph nodes
- C82.97Follicular lymphoma, unspecified, spleen
- C82.98Follicular lymphoma, unspecified, lymph nodes of multiple sites
- C82.99Follicular lymphoma, unspecified, extranodal and solid organ sites
- C82.9AFollicular lymphoma, unspecified, in remission
Related codes in this category
- C82.0Follicular lymphoma grade Inon-billable header
- C82.1Follicular lymphoma grade IInon-billable header
- C82.2Follicular lymphoma grade III, unspecifiednon-billable header
- C82.3Follicular lymphoma grade IIIanon-billable header
- C82.4Follicular lymphoma grade IIIbnon-billable header
- C82.5Diffuse follicle center lymphomanon-billable header
- C82.6Cutaneous follicle center lymphomanon-billable header
- C82.8Other types of follicular lymphomanon-billable header
- C82.9Follicular lymphoma, unspecifiednon-billable header