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12Diseases of the respiratory system

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Neoplasms of the respiratory system

6 subordinate codes

Malignant neoplasms of the respiratory system
Secondary neoplasms of the respiratory system
Carcinoma in situ of the respiratory system
Benign neoplasms of the respiratory system
Neoplasms of uncertain behaviour of the respiratory system
Neoplasms of unknown behaviour of the respiratory system

Nearby in Diseases of the respiratory system

CA00-CA0ZUpper respiratory tract disorders
CA20-CA2ZCertain lower respiratory tract diseases
CA40-CA4ZLung infections
CA60-CA8ZLung diseases due to external agents
CB00-CB0ZRespiratory diseases principally affecting the lung interstitium
CB20-CB2ZPleural, diaphragm or mediastinal disorders
CB40Certain diseases of the respiratory system
CB41Respiratory failure

PreviousCB60-CB64 — Postprocedural disorders of the respiratory system NextDevelopmental respiratory diseases

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
CA00-CA0ZUpper respiratory tract disorders
CA20-CA2ZCertain lower respiratory tract diseases
CA40-CA4ZLung infections
CA60-CA8ZLung diseases due to external agents
CB00-CB0ZRespiratory diseases principally affecting the lung interstitium
CB20-CB2ZPleural, diaphragm or mediastinal disorders
CB40Certain diseases of the respiratory system
CB41Respiratory failure
CB60-CB64Postprocedural disorders of the respiratory system
Neoplasms of the respiratory system
Developmental respiratory diseases
4B4ZDiseases of the immune system, unspecified
Malignant neoplasms of the respiratory system
Secondary neoplasms of the respiratory system
Carcinoma in situ of the respiratory system
Benign neoplasms of the respiratory system
Neoplasms of uncertain behaviour of the respiratory system
Neoplasms of unknown behaviour of the respiratory system

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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