ICD-10-CM > C00-D49 > C81-C96 > C86 > C86.0 C86.0 Extranodal NK/T-cell lymphoma, nasal type Non-Billable/Non-Specific Codes C86.00Extranodal NK/T-cell lymphoma, nasal type not having achieved remissionC86.01Extranodal NK/T-cell lymphoma, nasal type, in remission