2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Skin And Subcutaneous Tissue 680-709 > Other Diseases Of Skin And Subcutaneous Tissue 700-709 > 2006 ICD-9-CM Diagnosis 700 Corns and callosities View the most recent version of ICD-9-CM 700 Localized hyperplasia of the horny layer of the epidermis due to pressure or friction. A clavus or small conical callosity caused by pressure over a bony prominence, generally a toe. 700 is a specific code that can be used to specify a diagnosis 700 contains 7 index entries Alternate Terminology Callus Clavus  Index entries containing 700: Callositas, callosity (infected) 700 Callus (infected) 700 bone 726.91 excessive, following fracture - see also Late, effect (of), fracture Clavus (infected) 700 Corn (infected) 700 Heloma 700 Horn papillary 700 Tylosis 700 buccalis 528.6 gingiva 523.8 linguae 528.6 palmaris et plantaris 757.39