ICD-10-CM · Chapter 6 · G00–G99
G43.C1
Periodic headache syndromes in child or adult, intractable
Diseases of the nervous system
Quick facts
- Code
- G43.C1
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 6 — Diseases of the nervous system
- Category
- G43 — Migraine
- Specificity
- 5 characters
How coders use this code
ICD-10-CM G43.C1 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of periodic headache syndromes in child or adult, intractable. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in G43
- G43Migraine
- G43.0Migraine without aura
- G43.00Migraine without aura, not intractable
- G43.001Migraine without aura, not intractable, with status migrainosus
- G43.009Migraine without aura, not intractable, without status migrainosus
- G43.01Migraine without aura, intractable
- G43.011Migraine without aura, intractable, with status migrainosus
- G43.019Migraine without aura, intractable, without status migrainosus
- G43.1Migraine with aura
- G43.10Migraine with aura, not intractable
- G43.101Migraine with aura, not intractable, with status migrainosus
- G43.109Migraine with aura, not intractable, without status migrainosus
- G43.11Migraine with aura, intractable
- G43.111Migraine with aura, intractable, with status migrainosus
- G43.119Migraine with aura, intractable, without status migrainosus
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