685.1 PILONIDAL CYST W/O ABSC


Code Information

Diagnosis Code: 685.1

Short Description: Pilonidal cyst w/o absc

Long Description: Pilonidal cyst without mention of abscess

Code Classification:

  • Diseases of the skin and subcutaneous tissue (680–709)
    • Infections of skin and subcutaneous tissue (680-686)
      • 685 Pilonidal cyst
        • 685.1 Pilonidal cyst w/o absc

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 685.1 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Cyst (mucus) (retention) (serous) (simple)
    • dermoid (M9084/0) - see also Neoplasm, by site, benign
      • sacrococcygeal 685.1
        • with abscess 685.0
    • pilonidal (infected) (rectum) 685.1
      • with abscess 685.0
      • malignant (M9084/3) 173.59
    • postanal (infected) 685.1
      • with abscess 685.0
    • sacrococcygeal (dermoid) 685.1
      • with abscess 685.0
  • Dimple
    • parasacral 685.1
      • with abscess 685.0
    • pilonidal 685.1
      • with abscess 685.0
    • postanal 685.1
      • with abscess 685.0
  • Fistula (sinus) 686.9
    • coccyx 685.1
      • with abscess 685.0
    • pilonidal (infected) (rectum) 685.1
      • with abscess 685.0
  • Infection, infected, infective (opportunistic) 136.9
    • sinus (see also Sinusitis) 473.9
      • pilonidal 685.1
        • with abscess 685.0
  • Sinus - see also Fistula
    • coccygeal (infected) 685.1
      • with abscess 685.0
    • dermal (congenital) 685.1
      • with abscess 685.0
    • pilonidal (infected) (rectum) 685.1
      • with abscess 685.0
    • sacrococcygeal (dermoid) (infected) 685.1
      • with abscess 685.0

Crosswalk Information

The code 685.1 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
685.1 Right Arrow L05.91 Pilonidal cyst without abscess
L05.92 Pilonidal sinus without abscess
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
685.0 Pilonidal cyst with abscess


This page was last updated on: 10/1/2014