2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Infectious And Parasitic Diseases 001-139 > Mycoses 110-118 > Dermatophytosis 110.* > 2006 ICD-9-CM Diagnosis 110.1 Dermatophytosis of nail View the most recent version of ICD-9-CM 110.1 A fungal infection of the nail plate, usually caused by a species of Epidermophyton, Microsporum, or Trichophyton, and producing opaque, white, thickened, friable, and brittle nails. 110.1 is a specific code that can be used to specify a diagnosis 110.1 contains 15 index entries View the ICD-9-CM Volume 1 110.* hierarchy Alternate Terminology Dermatophytic onychia Onychomycosis Tinea unguium  Index entries containing 110.1: Dermatophytosis (Epidermophyton) (infection) (microsporum) (tinea) (Trichophyton) 110.9 fingernails 110.1 nail 110.1 toenails 110.1 Infection, infected, infective (opportunistic) 136.9 finger (skin) 686.9 nail 681.02 fungus 110.1 fungus NEC 117.9 nail 110.1 toenails 110.1 nail (chronic) (with lymphangitis) 681.9 finger 681.02 fungus 110.1 toe 681.11 fungus 110.1 toe (skin) 686.9 nail 681.11 fungus 110.1 Onychia (with lymphangitis) 681.9 dermatophytic 110.1 Onychomycosis 110.1 finger 110.1 toe 110.1 Ringworm 110.9 nails 110.1 Tinea (intersecta) (tarsi) 110.9 unguium 110.1