G43.81
Non-billableOther migraine, intractable
Other migraine, 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
- Other migraine, with 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 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(3)
Related Conditions
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for other migraine, intractable?
The ICD-10-CM code for other migraine, intractable is G43.81. The full clinical description is "Other migraine, intractable". G43.81 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G43.81 mean?
ICD-10-CM code G43.81 represents “Other migraine, 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 G43.81 a billable code?
No, G43.81 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 G43.81.
What chapter is G43.81 in?
G43.81 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G43.81?
G43.81 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 G43.81?
G43.81 has 2 child codes, including: G43.811 (Other migraine, intractable, with status migrainosus), G43.819 (Other migraine, intractable, without status migrainosus).
Are additional codes required with G43.81?
Yes, when using G43.81, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What are the UMLS CUIs for G43.81?
G43.81 is linked to 2 UMLS Concept Unique Identifiers: C2875181, C3264016. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G43.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other migraine, intractable 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 G43.81?
There is no direct ICD-11 mapping available for G43.81 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.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.