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 173.9 Other malignant neoplasm of skin site unspecified  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 Therefore, this code may be out of date.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 173.9 can be accessed here. 173.9 is a specific code that can be used to specify a diagnosis 173.9 contains 2 index entries View the ICD-9-CM Volume 1 173.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 173.9: Adenocarcinoma (M8140/3) - see also Neoplasm, by site, malignant apocrine (M8401/3) unspecified site 173.9 Carcinoma (M8010/3) - see also Neoplasm, by site, malignant apocrine (M8401/3) unspecified site 173.9