XA3523

ICD-11 MMS 2026-01

Accessory sinuses

Index terms

Accessory sinuses
Accessory nasal sinus
Accessory sinus, NOS

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Nasal sinuses
Paranasal sinus

Child codes

XA1R64 – Maxillary sinus
XA4U67 – Sphenoid sinus
XA58F6 – Ethmoid sinus
XA91G8 – Frontal sinus

Sibling codes

XA2RH5 – Larynx
XA43C9 – Nasal cavity
XA9AZ1 – Nasopharynx

Foundation entity

Accessory sinuses – http://id.who.int/icd/entity/2037717603

Part of: XA8Z63: Upper respiratory tract › X: Extension Codes