ICD-10-CM > C00-D49 > C81-C96 > C83 > C83.3 > C83.39 C83.39 Diffuse large B-cell lymphoma, extranodal and solid organ sites Non-Billable/Non-Specific Codes C83.390Primary central nervous system lymphomaC83.398Diffuse large B-cell lymphoma of other extranodal and solid organ sites