CTR Prep (Mostra) Exam Complete Questions and Correct Answers Latest 2024

CTR Prep (Mostra) Exam Complete Questions and Correct Answers Adenocarcinoma ICD Coding Derived from glandular tissue; certain sites are commonly organs of metastasis, which are rarely primary sites (brain, pleura, bone, soft tissue); if inconsistent, check further. Compound Morphologies & Multiple Neoplasms ICD coding Jan. 1, 2007 and after: Use Multiple Primary/Histology Rules. Kaposi Sarcoma ICD coding Multifocal, metastasizing, malignant reticulosis; may begin in oral cavity or visceral organs; if uncertain of origin, or skin lesions found, code to skin C44.9. Leukemia ICD coding Code to bone marrow (C42.1) except for myeloid sarcoma or leukemia reticuloendotheliosis. Melanoma ICD coding Usually arise in skin but may be eye or visceral organs; brain is common site for mets but not primary lesion. if unknown origin, code to skin NOS (C44.9) Meningioma ICD coding Code to 70.x (meninges), NOT brain Mesothelioma ICD coding Most often arises in pleura but may be in retroperitoneum; if unknown origin, code to pleura (C38.4) Mycosis Fungoides, Sezary Disease ICD coding T-cell malignancies which may be capable of transforming to lymphoma or leukemia; if non-specific origin, code to skin NOS (C44.9) Sarcoma ICD coding Arise from mesoderm and derive specific name from the parent tissue; code NOS to soft tissue NOS (C49.x) Lymphoma ICD coding SPECIAL Rules - usually generalized disease; code per primary Hematopoietic MPH rules, NOT just were biopsy taken for site. What site(s) are covered in the General Summary/SEER staging system? All sites How many sites are covered in the TNM (AJCC/UICC) staging system? 47 sites