2C23.3

ICD-11 MMS 2026-01

Malignant neoplasms of subglottis of larynx

Description

A primary or metastatic malignant neoplasm [primary malignant neoplasm spreading elsewhere] involving the subglottis.

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.

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

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http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Child codes

2C23.30 – Squamous cell carcinoma of larynx, subglottis
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

Sibling codes

2C23.1 – Malignant neoplasms of glottis of larynx
2C23.2 – Malignant neoplasms of supraglottis of larynx
2C23.4 – Malignant neoplasm of laryngeal cartilage
2C23.5 – Malignant neoplasm of overlapping lesion of larynx
2C23.Z – Malignant neoplasms of larynx, unspecified

Foundation entity

Malignant neoplasms of subglottis of larynx – http://id.who.int/icd/entity/1289606460

Allowed postcoordination axes

Part of: 2C23: Malignant neoplasms of larynx › 02: Neoplasms