Pneumonia ICD-11 Codes
All ICD-11 diagnosis codes for pneumonia
Pneumonia in ICD-11 is classified under CA20-CA2Z. Codes specify the causative organism: viral (CA20), bacterial (CA21-CA22), and unspecified pneumonia. ICD-11 provides improved pathogen-specific pneumonia coding.
Primary Codes
These are the main ICD-11 codes for pneumonia. Click any code to see all child codes and details.
Specific Codes (46)
More specific ICD-11 codes for pneumonia.
CA20.0Acute noninfectious bronchitis
CA20.1Chronic bronchitis
CA20.10Simple chronic bronchitis
CA20.11Mucopurulent chronic bronchitis
CA20.12Mixed simple and mucopurulent chronic bronchitis
CA20.13Protracted bacterial bronchitis
CA20.1YOther specified chronic bronchitis
CA20.1ZChronic bronchitis, unspecified
CA20.YOther specified bronchitis
CA20.ZBronchitis, unspecified
CA21.0MacLeod syndrome
CA21.1Panlobular emphysema
CA21.2Centrilobular emphysema
CA21.YOther specified emphysema
CA21.ZEmphysema, unspecified
CA22.0Chronic obstructive pulmonary disease with acute exacerbation, unspecified
CA22.1Certain specified chronic obstructive pulmonary disease
CA22.ZChronic obstructive pulmonary disease, unspecified
CA23.0Allergic asthma
CA23.00Allergic asthma with exacerbation
CA23.01Allergic asthma with status asthmaticus
CA23.02Allergic asthma, uncomplicated
CA23.1Non-allergic asthma
CA23.10Non-allergic asthma with exacerbation
CA23.11Non-allergic asthma with status asthmaticus
CA23.12Non-allergic asthma, uncomplicated
CA23.2Other specified forms of asthma or bronchospasm
CA23.20Aspirin-induced asthma
CA23.21Exercise-induced bronchospasm
CA23.22Cough variant asthma
CA23.3Unspecified asthma
CA23.30Unspecified asthma with exacerbation
CA23.31Unspecified asthma with status asthmaticus
CA23.32Unspecified asthma, uncomplicated
CA25.0Classical cystic fibrosis
CA25.1Atypical cystic fibrosis
CA25.2Subclinical cystic fibrosis
CA25.ZCystic fibrosis, unspecified
CA26.0Chronic obliterative bronchiolitis
CA26.1Diffuse panbronchiolitis
CA26.YOther specified chronic bronchiolitis
CA26.ZChronic bronchiolitis, unspecified
CA27.0Tracheobronchopathia osteochondroplastica
CA27.1Tracheobronchomegaly
CA27.YOther specified tracheobronchitis
CA27.ZTracheobronchitis, unspecified
Frequently Asked Questions
What is the ICD-11 code for pneumonia?
The primary ICD-11 codes for pneumonia are CA20, CA22, CA24. There are 56 total codes related to pneumonia in the ICD-11 classification.
How many ICD-11 codes are there for pneumonia?
There are 56 ICD-11 codes related to pneumonia. The primary codes are CA20, CA22, CA24, with additional specific codes for subtypes and complications.
What is the ICD-11 equivalent of ICD-10 pneumonia codes?
The ICD-11 equivalent codes for pneumonia are CA20, CA22, CA24. Note that ICD-10 and ICD-11 do not always have one-to-one mappings. Use the ICD-10 to ICD-11 crosswalk tool for exact code conversions.
What are other names for pneumonia in ICD-11?
Pneumonia may also be referred to as: pneumonia, lung infection, community-acquired pneumonia, CAP. The same ICD-11 codes apply regardless of which clinical term is used in the documentation.
Should I use ICD-10 or ICD-11 codes for pneumonia?
The choice between ICD-10 and ICD-11 depends on your country and regulatory requirements. The United States currently uses ICD-10-CM for clinical billing, while ICD-11 is the WHO standard adopted by many countries starting from 2022. Use our crosswalk tools to convert between systems.
Automate Medical Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 and ICD-11 codes with confidence scores. Integrates into any EHR or billing system in minutes.