CA00
Acute nasopharyngitis
Acute nasopharyngitis
Classification
ICD-11
Block
CA00-CA0ZParent Code
BlockL1-CA0ICD-10 Mapping
1 equivalentWHO Foundation
View on WHOICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(12)
SNOMED CT ↗
- Nasopharyngitis51476001
- Parainfluenza virus pharyngitis78911000
- Acute coryza82272006
- Acute viral pharyngitis195662009
- Acute irritant rhinitis232343007
- NINA - Non-infective non-allergic rhinitis232345000
- Acute rhinosinusitis431231008
- Acute nasopharyngitis caused by respiratory syncytial virus602893011000119101
- Acute respiratory syncytial virus upper respiratory infection903729901000119103
- Irritant rhinitis61000119108
Frequently Asked Questions
What is the ICD-11 code for acute nasopharyngitis?
The ICD-11 code for acute nasopharyngitis is CA00. The full clinical description is "Acute nasopharyngitis".
What does ICD-11 code CA00 mean?
ICD-11 code CA00 represents “Acute nasopharyngitis”. It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CA00 in?
CA00 is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CA00?
CA00 maps to the ICD-10 code: J00 (Acute nasopharyngitis [common cold]). This is an equivalent mapping.
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 CA00 map to?
CA00 maps to 10 SNOMED CT concepts: 82272006, 232343007, 602893011000119101, 903729901000119103, 431231008, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code CA00?
CA00 is linked to 2 UMLS Concept Unique Identifiers: C0009443, C0027441. 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.