Specific code 2011 ICD-9-CM Diagnosis Code 110.1
Dermatophytosis of nail
  • ICD-9-CM 110.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 110.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 110.1.
  • More recent version(s) of ICD-9-CM 110.1: 2012 2013 2014.
Disease Synonyms
  • Dystrophic onychomycosis
  • Onychomycosis
  • Onychomycosis (nail fungal infection)
  • Onychomycosis/dystrophy
  • Total dystrophic onychomycosis
Applies To
  • Dermatophytic onychia
  • Onychomycosis
  • Tinea unguium
Convert to ICD-10-CM: 110.1 converts directly to:
  • 2014 ICD-10-CM B35.1 Tinea unguium
ICD-9-CM Volume 2 Index entries containing back-references to 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
  • 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 110.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.