SEER Inquiry System - Question 20250008 Details

Assign Code 3 (Positive histology PLUS positive immunophenotyping or genetic testing) for

1. Cases with positive histology for the neoplasm being abstracted (including acceptable ambiguous terminology and provisional diagnosis), AND 

• Immunophenotyping, genetic testing, or JAK2 is listed in the Definitive Diagnosis in the Heme Database, AND
• Testing
  • Confirms the neoplasm OR
  • Identifies a more specific histology (not preceded by ambiguous terminology)
  • Peripheral blood smear followed by flow cytometry (most commonly done with CLL/SLL, 9823/3)

2. A not otherwise specified (NOS) histology diagnosed and not a provisional diagnosis, AND genetic/immunophenotyping was performed and positive

Refer to the current version of the Heme Manual for specific notes and examples when coding Diagnostic Confirmation.