G43.C1
Billable codePeriodic headache syndromes in child or adult, intractable
The ICD-10 code for periodic headache syndromes in child or adult, intractable is G43.C1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Periodic headache syndromes in child or adult, with refractory migraine
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G43.C0Periodic headache syndromes in child or adult, not intractable
- G43.C1Periodic headache syndromes in child or adult, intractable
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 34621Approximate match
Associated MS-DRGs
G43.C1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.