ICD-O-3 Lists
Important
These modules are archived and should only be referenced for historical purposes.
Included here, you will find important documents concerning ICD-O-3. These files, plus the FY2007 Casefinding List, are useful and needed while performing ICD-O-3 casefinding and implementation activities:
- SEER Casefinding List
- Reporting Juvenile Astrocytoma in ICD-O-3 (Word)
- Layout and Coding ICD-O-3 Conversions (PDF)
- ICD-10 Codes for Casefinding by Disease Index Screening
- ICD-O-3 Errata and Clarifications (PDF)
- SEER Site Grouping Table
If you do not already have Microsoft Word or Adobe Reader, you can download freely available plug-ins or viewers.
Suggested Citation
SEER Training Modules: ICD-O-3 Lists. U.S. National Institutes of Health, National Cancer Institute. Cited 24 December 2025. Available from: https://training.seer.cancer.gov.