| | | Code Range | Main Classification |
| Select | 1 | 800 | NEOPLASM, NOS |
| Select | 2 | 801-804 | EPITHELIAL NEOPLASM, NOS |
| Select | 3 | 805-808 | SQUAMOUS CELL NEOPLASMS |
| Select | 4 | 809-811 | BASAL CELL NEOPLASMS |
| Select | 5 | 812-813 | TRANSITIONAL CELL PAPILLOMAS AND CARCINOMAS |
| Select | 6 | 814-838 | ADENOMAS AND ADENOCARCINOMAS |
| Select | 7 | 839-842 | ADNEXAL AND SKIN APPENDAGE NEOPLASMS |
| Select | 8 | 843 | MUCOEPIDERMOID NEOPLASMS |
| Select | 9 | 844-849 | CYSTIC, MUCINOUS AND SEROUS NEOPLASMS |
| Select | 10 | 850-854 | DUCTAL AND LOBULAR NEOPLASMS |
| Select | 11 | 855 | ACINAR CELL NEOPLASMAS |
| Select | 12 | 856-857 | COMPLEX EPITHELIAL NEOPLASMS |
| Select | 13 | 858 | THYMIC PITHELIAL NEOPLASMS |
| Select | 14 | 859-867 | SPECIALIZED GONADAL NEOPLASMS |
| Select | 15 | 868-871 | PARAGANGLIOMAS AND GLOMUS TUMORS |
| Select | 16 | 872-879 | NEVI AND MELANOMAS |
| Select | 17 | 880 | SOFT TISSUE TUMORS AND SARCOMAS, NOS |
| Select | 18 | 881-883 | FIBROMATOUS NEOPLASMS |
| Select | 19 | 884 | MYOMATOUS NEOPLASMS |
| Select | 20 | 885-888 | LIPOMATOUS NEOPLASMS |
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