CTR Prep (Mostra) Exam Questions and Correct Answers

CTR Prep (Mostra) Exam Questions and Correct Answers Adenocarcinoma *ICD Coding* - ANSWER 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* - ANSWER Jan. 1, 2007 and after: Use Multiple Primary/Histology Rules. Kaposi Sarcoma *ICD coding* - ANSWER 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* - ANSWER Code to bone marrow (C42.1) except for myeloid sarcoma or leukemia reticuloendotheliosis. Melanoma *ICD coding* - ANSWER 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* - ANSWER Code to 70.x (meninges), NOT brain Mesothelioma *ICD coding* - ANSWER Most often arises in pleura but may be in retroperitoneum; if unknown origin, code to pleura (C38.4) Mycosis Fungoides, Sezary Disease *ICD coding* - ANSWER 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* - ANSWER Arise from mesoderm and derive specific name from the parent tissue; code NOS to soft tissue NOS (C49.x) Lymphoma *ICD coding* - ANSWER 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? - ANSWER All sites How many sites are covered in the TNM (AJCC/UICC) staging system? - ANSWER 47 sites