CA4Z
Lung infections, unspecified
Lung infections, unspecified
ICD-10 Equivalents(3)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(13)
SNOMED CT ↗
- Chest cold50417007
- ARI - Acute respiratory infections195647007
- Acute lower respiratory tract infection195742007
- Infection of lower respiratory tract and mediastinum275497007
- Bacterial lower respiratory infection312119006
- Postoperative lower respiratory tract infection448719004
- Severe acute respiratory infection707224005
- COVID-19840539006
- Acute lower respiratory infection caused by respiratory syncytial virus587751151000119107
- Infection of lower respiratory tract caused by 2019 novel coronavirus880529761000119102
Frequently Asked Questions
What is the ICD-11 code for lung infections, unspecified?
The ICD-11 code for lung infections, unspecified is CA4Z. The full clinical description is "Lung infections, unspecified".
What does ICD-11 code CA4Z mean?
ICD-11 code CA4Z represents “Lung infections, unspecified”. It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CA4Z in?
CA4Z is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CA4Z?
CA4Z maps to 3 ICD-10 codes: J20-J22, J22 (Unspecified acute lower respiratory infection), J85-J86. ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does CA4Z map to?
CA4Z maps to 10 SNOMED CT concepts: 195647007, 587751151000119107, 195742007, 312119006, 840539006, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code CA4Z?
CA4Z is linked to 3 UMLS Concept Unique Identifiers: C0348686, C0238990, C0348705. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.