Chapter 12: Diseases of the Respiratory System
ICD-11 codes CA00-CB7Z
Covers upper and lower respiratory infections, asthma, COPD, pneumonia, influenza, bronchitis, and respiratory failure. ICD-11 introduces better classification for acute respiratory distress and COVID-related respiratory conditions.
CA00-CA0Z
Acute upper respiratory infections
No category codes found in this block.
CA20-CA2Z
Influenza and pneumonia
No category codes found in this block.
CA40-CA4Z
Other acute lower respiratory infections
No category codes found in this block.
CA60-CA8Z
Chronic lower respiratory diseases
No category codes found in this block.
CB00-CB0Z
Lung diseases due to external agents
No category codes found in this block.
CB20-CB2Z
Other respiratory diseases principally affecting the interstitium
No category codes found in this block.
CB40-CB7Z
Other diseases of the respiratory system
No category codes found in this block.
Frequently Asked Questions
What ICD-11 codes are in Chapter 12?
Chapter 12: Diseases of the Respiratory System covers ICD-11 codes CA00-CB7Z. It contains 7 code blocks with 0 top-level categories.
What conditions does ICD-11 Chapter 12 cover?
Covers upper and lower respiratory infections, asthma, COPD, pneumonia, influenza, bronchitis, and respiratory failure. ICD-11 introduces better classification for acute respiratory distress and COVID-related respiratory conditions. This chapter includes codes from CA00-CB7Z.
How is ICD-11 Chapter 12 different from ICD-10?
ICD-11 reorganized many chapters compared to ICD-10. Chapter 12 (Diseases of the Respiratory System) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.
How many code blocks are in ICD-11 Chapter 12?
Chapter 12 has 7 code blocks: CA00-CA0Z (Acute upper respiratory infections), CA20-CA2Z (Influenza and pneumonia), CA40-CA4Z (Other acute lower respiratory infections), CA60-CA8Z (Chronic lower respiratory diseases), and 3 more.
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