NA04.3
Injury of trochlear nerve
Injury of trochlear nerve
Classification
ICD-11
Block
NA00-NA0ZParent Code
NA04ICD-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(2)
Frequently Asked Questions
What is the ICD-11 code for injury of trochlear nerve?
The ICD-11 code for injury of trochlear nerve is NA04.3. The full clinical description is "Injury of trochlear nerve".
What does ICD-11 code NA04.3 mean?
ICD-11 code NA04.3 represents “Injury of trochlear nerve”. It is classified under Chapter 22: Injury, Poisoning or Certain Other Consequences of External Causes.
What chapter is NA04.3 in?
NA04.3 is in Chapter 22: Injury, Poisoning or Certain Other Consequences of External Causes (codes NA00-NF2Z).
What is the ICD-10 equivalent of ICD-11 code NA04.3?
NA04.3 maps to the ICD-10 code: S04.2 (Injury of trochlear nerve). 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 UMLS concepts map to ICD-11 code NA04.3?
NA04.3 is linked to 2 UMLS Concept Unique Identifiers: C0161405, C2831704. 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.