G43.40
Non-billableHemiplegic migraine, not intractable
Hemiplegic migraine, not intractable
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
- Hemiplegic migraine without refractory 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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- headache syndromes (G44.-)
Use Additional Code
Additional codes that should follow this code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for hemiplegic migraine, not intractable?
The ICD-10-CM code for hemiplegic migraine, not intractable is G43.40. The full clinical description is "Hemiplegic migraine, not intractable". G43.40 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G43.40 mean?
ICD-10-CM code G43.40 represents "Hemiplegic migraine, not intractable". 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 G43.40 a billable code?
No, G43.40 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 G43.40.
What chapter is G43.40 in?
G43.40 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G43.40?
G43.40 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 G43.40?
G43.40 has 2 child codes, including: G43.401 (Hemiplegic migraine, not intractable, w status migrainosus), G43.409 (Hemiplegic migraine, not intractable, w/o status migrainosus).
Are additional codes required with G43.40?
Yes, when using G43.40 you should also code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What are the UMLS CUIs for G43.40?
G43.40 is linked to 2 UMLS Concept Unique Identifiers: C3264007, C2875154. 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.