G43.E11 Chronic migraine with aura, intractable, with status migrainosus
Billable ICD-10-CM code, FY2026.
Applies from G43 Migraine
Excludes1 (never code together)
headache NOS (R51.9)
lower half migraine (G44.00)
Excludes2 (not included here)
headache syndromes (G44.-)
Use additional code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Notes
the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Applies from G43.E Chronic migraine with aura
Excludes1 (never code together)
migraine with aura (G43.1-)
Applies from G43.E1 Chronic migraine with aura, intractable
Applicable to
Chronic migraine with aura, with refractory migraine
Risk adjustment (HCC)
RxHCC V08: HCC 166 — Migraine Headaches
MS-DRG index
Defines the logic of DRG(s) 102-103 in MDC 01.
Code annotations containing back-references to G43.E11
Back-references to G43.E
Type 1 Excludes: G43.1 Migraine with aura ("chronic migraine with aura (G43.E-)")
Back-references to G43
Type 2 Excludes: G44 Other headache syndromes ("migraines (G43.-)")
Type 2 Excludes: G44.1 Vascular headache, not elsewhere classified ("migraine (G43.-)")
Type 2 Excludes: G89 Pain, not elsewhere classified ("migraines (G43.-)")
Type 2 Excludes: R51 Headache ("migraine and other headache syndromes (G43-G44)")
Diagnosis Index entries for G43.E11
Migraine (idiopathic) › with aura (acute-onset) (prolonged) (typical) (without headache) › chronic › with refractory migraine › with status migrainosus
Migraine (idiopathic) › with aura (acute-onset) (prolonged) (typical) (without headache) › chronic › intractable › with status migrainosus