G43.719 Chronic migraine without aura, intractable, without 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 G43.7 Chronic migraine without aura
Applicable to
Transformed migraine
Excludes1 (never code together)
migraine without aura (G43.0-)
Applies from G43.71 Chronic migraine without aura, intractable
Applicable to
Chronic migraine without 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.
Approximate ICD-9-CM (GEMs)
346.71 Chronic migraine without aura, with intractable migraine, so stated, without mention of status migrainosus
Code annotations containing back-references to G43.719
Back-references to G43.7
Type 1 Excludes: G43.0 Migraine without aura ("chronic migraine without aura (G43.7-)")
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 G43.719
Migraine (idiopathic) › without aura › chronic › with refractory migraine
Migraine (idiopathic) › without aura › chronic › with refractory migraine › without status migrainosus
Migraine (idiopathic) › without aura › chronic › intractable › without status migrainosus
Nearby codes
G43.70 Chronic migraine without aura, not intractable
G43.701 Chronic migraine without aura, not intractable, with status migrainosus
G43.709 Chronic migraine without aura, not intractable, without status migrainosus