8A8Z
Headache disorders, unspecified
Headache disorders, unspecified
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-11 code for headache disorders, unspecified?
The ICD-11 code for headache disorders, unspecified is 8A8Z. The full clinical description is "Headache disorders, unspecified".
What does ICD-11 code 8A8Z mean?
ICD-11 code 8A8Z represents "Headache disorders, unspecified". It is classified under Chapter 8: Diseases of the Nervous System.
What chapter is 8A8Z in?
8A8Z is in Chapter 8: Diseases of the Nervous System (codes 8A00-8E7Z).
What is the ICD-10 equivalent of ICD-11 code 8A8Z?
8A8Z maps to the ICD-10 code: R51 (Headache). 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 8A8Z?
8A8Z is linked to 1 UMLS Concept Unique Identifier: C0018681. 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.