Specific code 2014 ICD-9-CM Diagnosis Code 528.4
Cysts of oral soft tissues
  • Billable Code
  • Short description: Oral soft tissue cyst.
  • ICD-9-CM 528.4 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 528.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Cyst of oral soft tissue
  • Cystic dermoid choristoma of mouth (disorder)
  • Dermoid cyst of mouth
  • Epsteins pearl
  • Epstein's pearl
  • Epstein's pearl of palate (disorder)
  • Nasolabial cyst
  • Naso-labial cyst
  • Oral cyst
  • Oral cyst, soft tissues
  • Oral dermoid cyst
  • Oral soft tissue cyst
528.4 Excludes
Applies To
  • Dermoid cyst of mouth
  • Epidermoid cyst of mouth
  • Epstein's pearl of mouth
  • Lymphoepithelial cyst of mouth
  • Nasoalveolar cyst of mouth
  • Nasolabial cyst of mouth
Convert to ICD-10-CM: 528.4 converts approximately to:
  • 2014 ICD-10-CM K09.8 Other cysts of oral region, not elsewhere classified
ICD-9-CM Volume 2 Index entries containing back-references to 528.4:
  • Cyst (mucus) (retention) (serous) (simple)
    • buccal 528.4
    • dermoid (M9084/0) - see also Neoplasm, by site, benign
      • with malignant transformation (M9084/3) 183.0
      • implantation
      • mouth 528.4
      • oral soft tissue 528.4
      • sacrococcygeal 685.1
    • epidermoid (inclusion) (see also Cyst, skin) 706.2
      • mouth 528.4
      • not of skin - see Cyst, by site
      • oral soft tissue 528.4
    • lymphoepithelial
      • mouth 528.4
      • oral soft tissue 528.4
    • mouth 528.4
    • nasoalveolar 528.4
    • nasolabial 528.4
    • oral soft tissue (dermoid) (epidermoid) (lymphoepithelial) 528.4
  • Epstein's
    • pearl (mouth) 528.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 528.4 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.