G43.4
Non-billableHemiplegic migraine
Hemiplegic migraine
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Familial migraine
- Sporadic migraine
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •headache syndromesG44
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
Related Codes(10)
G43.0Migraine without aura
G43.1Migraine with aura
G43.5Persistent migraine aura without cerebral infarction
G43.6Persistent migraine aura with cerebral infarction
G43.7Chronic migraine without aura
G43.8Other migraine
G43.9Migraine, unspecified
G43.ACyclical vomiting
G43.BOphthalmoplegic migraine
G43.CPeriodic headache syndromes in child or adult
Related Conditions
Also Known As / Clinical Terms(9)
Frequently Asked Questions
What is the ICD-10 code for hemiplegic migraine?
The ICD-10-CM code for hemiplegic migraine is G43.4. The full clinical description is "Hemiplegic migraine". G43.4 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G43.4 mean?
ICD-10-CM code G43.4 represents “Hemiplegic migraine”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G43.4 a billable code?
No, G43.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under G43.4.
What chapter is G43.4 in?
G43.4 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G43.4?
G43.4 has Excludes1 notes indicating codes that cannot be used together with it, including: headache NOS (R51.9); lower half migraine (G44.00).
What are the subcategories under G43.4?
G43.4 has 2 child codes, including: G43.40 (Hemiplegic migraine, not intractable), G43.41 (Hemiplegic migraine, intractable).
Are additional codes required with G43.4?
Yes, when using G43.4, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What are the UMLS CUIs for G43.4?
G43.4 is linked to 3 UMLS Concept Unique Identifiers: C2349453, C0270862, C2349454. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G43.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hemiplegic migraine affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G43.4?
There is no direct ICD-11 mapping available for G43.4 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.