K09 Cysts of oral region, not elsewhere classified

Non-billable header with 4 child codes.

Includes

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

Excludes2 (not included here)

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

Applies from K09 Cysts of oral region, not elsewhere classified

Includes

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

Excludes2 (not included here)

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

Codes under K09

• K09.0 Developmental odontogenic cysts
• K09.1 Developmental (nonodontogenic) cysts of oral region
• K09.8 Other cysts of oral region, not elsewhere classified
• K09.9 Cyst of oral region, unspecified

Code annotations containing back-references to K09

Back-references to K09

• Type 2 Excludes: K13 Other diseases of lip and oral mucosa ("cysts of oral region (K09.-)")
• Type 1 Excludes: M27.4 Other and unspecified cysts of jaw ("cysts of oral region (K09.-)")

Back-references to K09

• Type 2 Excludes: K13 Other diseases of lip and oral mucosa ("cysts of oral region (K09.-)")
• Type 1 Excludes: M27.4 Other and unspecified cysts of jaw ("cysts of oral region (K09.-)")

Nearby codes

• K09 Cysts of oral region, not elsewhere classified (this code)
• K09.0 Developmental odontogenic cysts
• K09.1 Developmental (nonodontogenic) cysts of oral region
• K09.8 Other cysts of oral region, not elsewhere classified
• K09.9 Cyst of oral region, unspecified