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K09

Cysts of oral region, not elsewhere classified

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

• cysts of jaw (M27.0-, M27.4-)
• radicular cyst (K04.8)

K09.0

Developmental odontogenic cysts

• keratocysts (D16.4, D16.5)
• odontogenic keratocystic tumors (D16.4, D16.5)

• Dentigerous cyst
• Eruption cyst
• Follicular cyst
• Gingival cyst
• Lateral periodontal cyst
• Primordial cyst

K09.1

Developmental (nonodontogenic) cysts of oral region

• Cyst (of) incisive canal
• Cyst (of) palatine of papilla
• Globulomaxillary cyst
• Median palatal cyst
• Nasoalveolar cyst
• Nasolabial cyst
• Nasopalatine duct cyst

K09.8

Other cysts of oral region, not elsewhere classified

• Dermoid cyst
• Epidermoid cyst
• Lymphoepithelial cyst
• Epstein's pearl

K09.9

Cyst of oral region, unspecified