SEER Inquiry System - Report
Produced: 12/05/2023 4:35 PM
#1: Subject matter expert
#2: WHO Class Hem & Lymph Tumors. 5th edition
Reportability/Heme & Lymphoid Neoplasms--CNS: Is ALK-positive histiocytosis, primary site Central Nervous System (CNS), reportable, and is the correct histology code 9750/3? See Discussion.
2022 case: Surgical Pathology Report-spinal cord tumor, biopsies: ALK-positive neoplasm most consistent with ALK-positive histiocytosis.
Report this 2022 case of ALK-positive histiocytosis using histology code 9751/3, Langerhans cell histiocytosis, disseminated. Use text fields to document that this is a case of ALK-positive histiocytosis. Beginning 01/01/2023, the term ALK-positive histiocytosis will be reportable as 9750/3; however, 9750/3 is not applicable to cases diagnosed in 2022.