From parent levels

ChapterXIDiseases of the digestive systemOpen

Exclusions

certain conditions originating in the perinatal period (P00-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O99)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E90)
injury, poisoning and certain other consequences of external causes (S00-T98)
neoplasms (C00-D48)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

BlockK00-K14Diseases of oral cavity, salivary glands and jawsOpen

CategoryK09Cysts of oral region, not elsewhere classifiedOpen

Inclusions

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

Exclusions

radicular cyst (K04.8)

K09.1

CategoryBlock K00-K14 Chapter XI

Developmental (nonodontogenic) cysts of oral region

Inclusions

Cyst (of): nasolabial [nasoalveolar]
Cyst (of): nasopalatine duct [incisive canal]

Parent: K09 Cysts of oral region, not elsewhere classified