
2015 ICD-9-CM Diagnosis Code 685
Pilonidal cyst
- There are 2 ICD-9-CM codes below 685 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
- A hair-containing cyst or sinus, occurring chiefly in the coccygeal region
685 Includes

- fistula, coccygeal or pilonidal
- sinus, coccygeal or pilonidal