K09

Cysts of oral region, not elsewhere classified

Non-billable header

K09 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • cysts of jaw (M27.0-, M27.4-)
  • radicular cyst (K04.8)

More specific codes K09

  • K09.0Developmental odontogenic cystsBillable
  • K09.1Developmental (nonodontogenic) cysts of oral regionBillable
  • K09.8Other cysts of oral region, not elsewhere classifiedBillable
  • K09.9Cyst of oral region, unspecifiedBillable

Related codes

  • K00Disorders of tooth development and eruptionHeader
  • K01Embedded and impacted teethHeader
  • K02Dental cariesHeader
  • K03Other diseases of hard tissues of teethHeader
  • K04Diseases of pulp and periapical tissuesHeader
  • K05Gingivitis and periodontal diseasesHeader
  • K06Other disorders of gingiva and edentulous alveolar ridgeHeader
  • K08Other disorders of teeth and supporting structuresHeader
  • K11Diseases of salivary glandsHeader
  • K12Stomatitis and related lesionsHeader
  • K13Other diseases of lip and oral mucosaHeader
  • K14Diseases of tongueHeader

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