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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Bone, Connective Tissue, Skin, And Breast 170-175 > Other Malignant Neoplasm Of Skin 173.* > 2008 ICD-9-CM Diagnosis 173.2 Other malignant neoplasm of skin of ear and external auditory canal  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 173.2 can be accessed here. 173.2 is a specific code that can be used to specify a diagnosis 173.2 contains 2 index entries View the ICD-9-CM Volume 1 173.* hierarchy 173.2 also known as: Auricle (ear) Auricular canal, external External meatus Pinna 173.2 excludes: cartilage of ear (171.0) Index entries containing 173.2: Adenocarcinoma (M8140/3) - see also Neoplasm, by site, malignant ceruminous (M8420/3) 173.2 Carcinoma (M8010/3) - see also Neoplasm, by site, malignant ceruminous (M8420/3) 173.2