Multiple Primary and Histology Task Force

In January 2003, the Multiple Primary and Histology Task Force (MP/H Task Force) was formed to tackle problems identified in existing multiple primary and histology coding rules. Membership includes:

• SEER Registries (except Louisiana and Connecticut)
• American College of Surgeons Commission on Cancer
• American Joint Committee on Cancer
• Centers for Disease Control and Prevention National Program of Cancer Registries
• National Cancer Registrars Association
• North American Association of Central Cancer Registries
• Statistics Canada