The ICD-O-3 Morphology / diagnosis Notes rules Morphology Adenoid squamous cell F carcinoma 8075/2 list: M8075/3 (not /2) in situ nodular lymphocytic lymphoma: 9690/3 Poorly differentiated B-cell (incl. 6 digit (6th digit) poorly G nodular morphology code) differentiated: grade 3 lymphocytic lymphoma 9690/36 (6th digit) B-cell origin: code 6(<- use this 6th digit code) Nephroblastoma, NOS M8960/3 (Code primary site. But the (Code primary site) Nephroblastoma, NOS H (1) primary site is not stated in the C64.9 (C64.9) diagnosis) C64.9 Kideney, NOS Index lists 8730/3 Amelanotic melanoma (C44._) Amelanotic melanoma of (Code primary site) H (2) Refer to C44 in forearm C44.6 numeric list for subsite code for forearm C44.6 (Skin of forearm) Index lists 8700/3 Pheochromocytoma, (Code primary site) H (3) Malignant pheochromocytoma malignant (C74.1) C74.1 C74.1 (Medulla of adrenal gland) -> J Chondroosteosarcoma M9180/3 Osteo-chondro-sarcoma (M9180/3) No combination code spindle cell carcinoma Adenoid cystic spindle cell 8032/3 K (1) M8200/3 carcinoma Adenoid cystic carcinoma 8200/3 higher number 8200/3 Mesothelioma 9050/3 Mixed mesothelioma and Neuroendocrine carcinoma K (2) M9050/3 neuroendocrine carcinoma 8246/3 Higher number 9050/3 Coding Exercise II (Basic)
The rules Morphology / diagnosis ICD-O-3 Morphology Notes F Adenoid squamous cell carcinoma in situ 8075/2 list: M8075/3 (not /2) G Poorly differentiated B-cell nodular lymphocytic lymphoma (incl. 6 digit morphology code) 9690/36 nodular lymphocytic lymphoma: 9690/3 (6th digit) poorly differentiated: grade 3 (6th digit) B-cell origin: code 6(<- use this 6th digit code) H (1) Nephroblastoma, NOS (Code primary site. But the primary site is not stated in the diagnosis) (Code primary site) C64.9 M8960/3 Nephroblastoma, NOS (C64.9) C64.9 Kideney, NOS H (2) Amelanotic melanoma of forearm (Code primary site) C44.6 Index lists 8730/3 Amelanotic melanoma (C44._) Refer to C44 in numeric list for subsite code for forearm C44.6 (Skin of forearm) H (3) Malignant pheochromocytoma (Code primary site) C74.1 Index lists 8700/3 Pheochromocytoma, malignant (C74.1) C74.1 (Medulla of adrenal gland) J Chondroosteosarcoma M9180/3 -> Osteo-chondro-sarcoma (M9180/3) K (1) Adenoid cystic spindle cell carcinoma M8200/3 No combination code spindle cell carcinoma 8032/3 Adenoid cystic carcinoma 8200/3 higher number 8200/3 K (2) Mixed mesothelioma and neuroendocrine carcinoma M9050/3 Mesothelioma 9050/3 Neuroendocrine carcinoma 8246/3 Higher number 9050/3 Coding Exercise II (Basic)
1.Exercise%20ICD-O%20(I)(II)_Answers%20(Jan.26,27).docx