1. G43 Migraine

    Note: the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled

    Use Additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

    Excludes1

    Excludes2

    • headache syndromes (G44.-)
    1. G43.0 Migraine without aura

      Inclusion term(s):

      • Common migraine
      1. G43.00 Migraine without aura, not intractable

        Inclusion term(s):

        • Migraine without aura without mention of refractory migraine
        • G43.001 Migraine without aura, not intractable, with status migrainosus
        • G43.009 Migraine without aura, not intractable, without status migrainosus

          Inclusion term(s):

          • Migraine without aura NOS
      2. G43.01 Migraine without aura, intractable

        Inclusion term(s):

        • Migraine without aura with refractory migraine
        • G43.011 Migraine without aura, intractable, with status migrainosus
        • G43.019 Migraine without aura, intractable, without status migrainosus
    2. G43.1 Migraine with aura

      Inclusion term(s):

      • Basilar migraine
      • Classical migraine
      • Migraine equivalents
      • Migraine preceded or accompanied by transient focal neurological phenomena
      • Migraine triggered seizures
      • Migraine with acute-onset aura
      • Migraine with aura without headache (migraine equivalents)
      • Migraine with prolonged aura
      • Migraine with typical aura
      • Retinal migraine
      1. G43.10 Migraine with aura, not intractable

        Inclusion term(s):

        • Migraine with aura without mention of refractory migraine
        • G43.101 Migraine with aura, not intractable, with status migrainosus
        • G43.109 Migraine with aura, not intractable, without status migrainosus

          Inclusion term(s):

          • Migraine with aura NOS
      2. G43.11 Migraine with aura, intractable

        Inclusion term(s):

        • Migraine with aura with refractory migraine
        • G43.111 Migraine with aura, intractable, with status migrainosus
        • G43.119 Migraine with aura, intractable, without status migrainosus
    3. G43.4 Hemiplegic migraine

      Inclusion term(s):

      • Familial migraine
      • Sporadic migraine
      1. G43.40 Hemiplegic migraine, not intractable

        Inclusion term(s):

        • Hemiplegic migraine without refractory migraine
        • G43.401 Hemiplegic migraine, not intractable, with status migrainosus
        • G43.409 Hemiplegic migraine, not intractable, without status migrainosus

          Inclusion term(s):

          • Hemiplegic migraine NOS
      2. G43.41 Hemiplegic migraine, intractable

        Inclusion term(s):

        • Hemiplegic migraine with refractory migraine
        • G43.411 Hemiplegic migraine, intractable, with status migrainosus
        • G43.419 Hemiplegic migraine, intractable, without status migrainosus
    4. G43.5 Persistent migraine aura without cerebral infarction

      1. G43.50 Persistent migraine aura without cerebral infarction, not intractable

        Inclusion term(s):

        • Persistent migraine aura without cerebral infarction, without refractory migraine
        • G43.501 Persistent migraine aura without cerebral infarction, not intractable, with status migrainosus
        • G43.509 Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus

          Inclusion term(s):

          • Persistent migraine aura NOS
      2. G43.51 Persistent migraine aura without cerebral infarction, intractable

        Inclusion term(s):

        • Persistent migraine aura without cerebral infarction, with refractory migraine
        • G43.511 Persistent migraine aura without cerebral infarction, intractable, with status migrainosus
        • G43.519 Persistent migraine aura without cerebral infarction, intractable, without status migrainosus
    5. G43.6 Persistent migraine aura with cerebral infarction

      1. G43.60 Persistent migraine aura with cerebral infarction, not intractable

        Inclusion term(s):

        • Persistent migraine aura with cerebral infarction, without refractory migraine
        • G43.601 Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus
        • G43.609 Persistent migraine aura with cerebral infarction, not intractable, without status migrainosus
      2. G43.61 Persistent migraine aura with cerebral infarction, intractable

        Inclusion term(s):

        • Persistent migraine aura with cerebral infarction, with refractory migraine
        • G43.611 Persistent migraine aura with cerebral infarction, intractable, with status migrainosus
        • G43.619 Persistent migraine aura with cerebral infarction, intractable, without status migrainosus
    6. G43.7 Chronic migraine without aura

      Inclusion term(s):

      • Transformed migraine
      1. G43.70 Chronic migraine without aura, not intractable

        Inclusion term(s):

        • Chronic migraine without aura, without refractory migraine
        • G43.701 Chronic migraine without aura, not intractable, with status migrainosus
        • G43.709 Chronic migraine without aura, not intractable, without status migrainosus

          Inclusion term(s):

          • Chronic migraine without aura NOS
      2. G43.71 Chronic migraine without aura, intractable

        Inclusion term(s):

        • Chronic migraine without aura, with refractory migraine
        • G43.711 Chronic migraine without aura, intractable, with status migrainosus
        • G43.719 Chronic migraine without aura, intractable, without status migrainosus
    7. G43.8 Other migraine

      1. G43.80 Other migraine, not intractable

        Inclusion term(s):

        • Other migraine, without refractory migraine
        • G43.801 Other migraine, not intractable, with status migrainosus
        • G43.809 Other migraine, not intractable, without status migrainosus
      2. G43.81 Other migraine, intractable

        Inclusion term(s):

        • Other migraine, with refractory migraine
        • G43.811 Other migraine, intractable, with status migrainosus
        • G43.819 Other migraine, intractable, without status migrainosus
      3. G43.82 Menstrual migraine, not intractable

        Inclusion term(s):

        • Menstrual headache, not intractable
        • Menstrual migraine, without refractory migraine
        • Menstrually related migraine, not intractable
        • Pre-menstrual headache, not intractable
        • Pre-menstrual migraine, not intractable
        • Pure menstrual migraine, not intractable
        • G43.821 Menstrual migraine, not intractable, with status migrainosus
        • G43.829 Menstrual migraine, not intractable, without status migrainosus

          Inclusion term(s):

          • Menstrual migraine NOS
      4. G43.83 Menstrual migraine, intractable

        Inclusion term(s):

        • Menstrual headache, intractable
        • Menstrual migraine, with refractory migraine
        • Menstrually related migraine, intractable
        • Pre-menstrual headache, intractable
        • Pre-menstrual migraine, intractable
        • Pure menstrual migraine, intractable
        • G43.831 Menstrual migraine, intractable, with status migrainosus
        • G43.839 Menstrual migraine, intractable, without status migrainosus
    8. G43.9 Migraine, unspecified

      1. G43.90 Migraine, unspecified, not intractable

        Inclusion term(s):

        • Migraine, unspecified, without refractory migraine
      2. G43.91 Migraine, unspecified, intractable

        Inclusion term(s):

        • Migraine, unspecified, with refractory migraine
        • G43.911 Migraine, unspecified, intractable, with status migrainosus
        • G43.919 Migraine, unspecified, intractable, without status migrainosus
    9. G43.A Cyclical vomiting

      1. G43.A0 Cyclical vomiting, in migraine, not intractable

        Inclusion term(s):

        • Cyclical vomiting, without refractory migraine
      2. G43.A1 Cyclical vomiting, in migraine, intractable

        Inclusion term(s):

        • Cyclical vomiting, with refractory migraine
    10. G43.B Ophthalmoplegic migraine

      1. G43.B0 Ophthalmoplegic migraine, not intractable

        Inclusion term(s):

        • Ophthalmoplegic migraine, without refractory migraine
      2. G43.B1 Ophthalmoplegic migraine, intractable

        Inclusion term(s):

        • Ophthalmoplegic migraine, with refractory migraine
    11. G43.C Periodic headache syndromes in child or adult

      1. G43.C0 Periodic headache syndromes in child or adult, not intractable

        Inclusion term(s):

        • Periodic headache syndromes in child or adult, without refractory migraine
      2. G43.C1 Periodic headache syndromes in child or adult, intractable

        Inclusion term(s):

        • Periodic headache syndromes in child or adult, with refractory migraine
    12. G43.D Abdominal migraine

      1. G43.D0 Abdominal migraine, not intractable

        Inclusion term(s):

        • Abdominal migraine, without refractory migraine
      2. G43.D1 Abdominal migraine, intractable

        Inclusion term(s):

        • Abdominal migraine, with refractory migraine
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.