2C23.30

ICD-11 MMS 2026-01

Squamous cell carcinoma of larynx, subglottis

Description

A squamous cell carcinoma of the larynx that arises from the subglottic area. Symptoms include dyspnea and stridor. It spreads to the hypopharynx, trachea, and thyroid gland.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Index terms

  • Squamous cell carcinoma of larynx, subglottis

Exclusions from above levels

  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 2C51.2 – Mesotheliomas of peritoneum
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
Show allHide
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2C23.31 – Adenocarcinoma of larynx, subglottis
  • 2C23.3Y – Other specified malignant neoplasms of subglottis of larynx
  • 2C23.3Z – Malignant neoplasms of subglottis of larynx, unspecified

Foundation entity

Squamous cell carcinoma of larynx, subglottis – http://id.who.int/icd/entity/1086221462

Allowed postcoordination axes

Part of: 2C23.3: Malignant neoplasms of subglottis of larynx › 2C23: Malignant neoplasms of larynx › 02: Neoplasms