Specific code 2011 ICD-9-CM Diagnosis Code 685.1
Pilonidal cyst without abscess
  • Short description: Pilonidal cyst w/o absc.
  • ICD-9-CM 685.1 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 685.1 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 685.1.
  • More recent version(s) of ICD-9-CM 685.1: 2012 2013 2014.
Disease Synonyms
  • Cyst - pilonidal
  • Dimple, sacral, w/o abscess
  • Pilonidal cyst
  • Pilonidal cyst, recurrent or chronic, without abscess
  • Pilonidal cyst, recurrent or chronic, wo abscess
  • Recurrent or chronic pilonidal cyst without abscess (disorder)
  • Recurrent pilonidal cyst
  • Sacral dimple
  • Sacral dimple without abscess
Convert to ICD-10-CM: 685.1 converts approximately to:
  • 2014 ICD-10-CM L05.91 Pilonidal cyst without abscess
    Or:
  • 2014 ICD-10-CM L05.92 Pilonidal sinus without abscess
ICD-9-CM Volume 2 Index entries containing back-references to 685.1:
  • Cyst (mucus) (retention) (serous) (simple)
    • dermoid (M9084/0) - see also Neoplasm, by site, benign
    • pilonidal (infected) (rectum) 685.1
    • postanal (infected) 685.1
    • sacrococcygeal (dermoid) 685.1
  • Dimple
    • parasacral 685.1
    • pilonidal 685.1
    • postanal 685.1
  • Fistula (sinus) 686.9
    • coccyx 685.1
    • pilonidal (infected) (rectum) 685.1
  • Infection, infected, infective (opportunistic) 136.9
    • sinus (see also Sinusitis) 473.9
  • Sinus - see also Fistula
    • coccygeal (infected) 685.1
    • dermal (congenital) 685.1
    • pilonidal (infected) (rectum) 685.1
    • sacrococcygeal (dermoid) (infected) 685.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 685.1 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.