Specific code icon 2014 ICD-10-CM Diagnosis Code K09.8

Other cysts of oral region, not elsewhere classified

  • K09.8 is a billable ICD-10-CM code that can be used to specify a diagnosis.
  • On October 1, 2014 ICD-10-CM will replace ICD-9-CM in the United States, therefore, K09.8 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
Clinical Information
  • A benign neoplasm comprised of a cyst, lined by mature epidermis-like tissue with dermal appendages.
  • A benign tumor resulting from abnormal embryonic development
  • A mature teratoma characterized by the presence of a cyst which is lined by mature tissue resembling the epidermis and the epidermal appendages. It occurs in the ovary, testis, and extragonadal sites including central nervous system and skin.
  • A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall being formed of epithelium-lined connective tissue, including skin appendages, and containing keratin, sebum, and hair. (stedman, 25th ed)
  • A type of benign (not cancer) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs) that often contains several different types of tissue such as hair, muscle, and bone.
  • Intradermal or subcutaneous saclike structure, the wall of which is stratified epithelium containing keratohyalin granules.
Applicable To
  • Dermoid cyst
  • Epidermoid cyst
  • Lymphoepithelial cyst
  • Epstein's pearl
Description Synonyms
  • Cystic dermoid choristoma of mouth
  • Dermoid cyst of mouth
  • Epsteins pearl
  • Epstein's pearl of palate
  • Oral dermoid cyst
ICD-10-CM K09.8 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 011 Tracheostomy for face,mouth & neck diagnoses with mcc
  • 012 Tracheostomy for face,mouth & neck diagnoses with cc
  • 013 Tracheostomy for face,mouth & neck diagnoses without cc/mcc
  • 157 Dental & oral diseases with mcc
  • 158 Dental & oral diseases with cc
  • 159 Dental & oral diseases without cc/mcc
Convert ICD-10-CM K09.8 to ICD-9-CM
The following ICD-10-CM Index entries contain back-references to ICD-10-CM K09.8: