ICD Code C85.9

ICD code C85.9 is non-Hodgkin’s lymphoma, unspecified.

1. Presence of malignant lymphoid cells identified in tissue, blood, or bone marrow

2. Absence of definitive morphological, immunophenotypic, or genetic features that classify the lymphoma under a specific subtype

3. Clinical presentation with lymphadenopathy, extranodal masses, or systemic symptoms such as fever, night sweats, or unexplained weight loss

4. Exclusion of Hodgkin lymphoma and other well-defined non-Hodgkin lymphoma subtypes

5. Diagnosis confirmed by histopathological examination and ancillary studies, but lacking sufficient criteria for a more specific diagnosis

Relevant CPT codes that may be used to treat ICD code C85.9 include:

- 96413 (Chemotherapy administration, intravenous infusion technique; up to 1 hour, single or initial substance/drug)

- 96415 (Chemotherapy administration, intravenous infusion technique; each additional hour)

- 96417 (Chemotherapy administration, intravenous infusion technique; each additional sequential infusion of a new drug, up to 1 hour)

- 96409 (Chemotherapy administration, intravenous, push technique, single or initial substance/drug)

- 96411 (Chemotherapy administration, intravenous, push technique, each additional substance/drug)

- 96372 (Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular)

- 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour)

- 96366 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; each additional hour)

- 38500 (Biopsy or excision of lymph node(s); open, superficial)

- 38525 (Biopsy or excision of lymph node(s); open, deep axillary node(s))

- 88305 (Level IV - Surgical pathology, gross and microscopic examination)

- 88342 (Immunohistochemistry, per specimen; initial single antibody stain procedure)

These CPT codes are commonly associated with the treatment and management of ICD code C85.9. Always verify with payer guidelines and clinical documentation.

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