Appendix Table 1.
Morphology Codes Used to Define Histological Subtypes of Glioma, Copenhagen, Denmark, 1968–2010
| Subtype and Classification | Code(s) |
|---|---|
| Glioblastoma | |
| ICD-O-3 | 9440–9442 |
| ICD-7 | 093.3 |
| Astrocytoma other than glioblastoma | |
| ICD-O-3 | 9381, 9384, 9400–9401, 9410–9411, 9420–9421, and 9424 |
| ICD-7 | 093.4 |
| Oligodendroglioma | |
| ICD-O-3 | 9450–9451, 9460, and 9382 |
| ICD-7 | 093.5 |
| Ependymoma | |
| ICD-O-3 | 9383 and 9391–9394 |
| ICD-7 | 093.6 |
| Medulloblastoma | |
| ICD-O-3 | 9470–9472 and 9474 |
| ICD-7 | 093.7 |
Abbreviations: ICD-7, International Classification of Diseases, Seventh Revision; ICD-O-3, International Classification of Diseases for Oncology, Third Edition.