2021 ICD-10-CM Codes for Migraine (G43)

Clinical Terms for Migraine (G43)

Migraine Disorders-. A class of disabling primary headache disorders, characterized by recurrent unilateral pulsatile headaches. The two major subtypes are common migraine (without aura) and classic migraine (with aura or neurological symptoms).

Migraine with Aura-. A subtype of migraine disorder, characterized by recurrent attacks of reversible neurological symptoms (aura) that precede or accompany the headache. Aura may include a combination of sensory disturbances, such as blurred VISION; HALLUCINATIONS; VERTIGO; NUMBNESS; and difficulty in concentrating and speaking. Aura is usually followed by features of the COMMON MIGRAINE, such as PHOTOPHOBIA; PHONOPHOBIA; and NAUSEA.

Migraine without Aura-. Recurrent unilateral pulsatile headaches, not preceded or accompanied by an aura, in attacks lasting 4-72 hours. It is characterized by PAIN of moderate to severe intensity; aggravated by physical activity; and associated with NAUSEA and / or PHOTOPHOBIA and PHONOPHOBIA.

Ophthalmoplegic Migraine-. Childhood-onset of recurrent headaches with an oculomotor cranial nerve palsy. Typically, ABDUCENS NERVE; OCULOMOTOR NERVE; and TROCHLEAR NERVE are involved with DIPLOPIA and BLEPHAROPTOSIS.

Instructional Notations

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

  • code for adverse effect, if applicable, to identify drug T36 T50

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Type 2 Excludes Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

  • headache syndromes G44

  • the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
    • ICD-10 Index

      • Diseases of the nervous system (G00–G99)

        • Episodic and paroxysmal disorders (G40-G47)

            • Migraine (G43)
            • G43 - Migraine NON-BILLABLE CODE
            • G43.0 - Migraine without aura NON-BILLABLE CODE
            • G43.00 - Migraine without aura, not intractable NON-BILLABLE CODE
            • G43.001 - Migraine w/o aura, not intractable, with status migrainosus BILLABLE CODE
            • G43.009 - Migraine w/o aura, not intractable, w/o status migrainosus BILLABLE CODE
            • G43.01 - Migraine without aura, intractable NON-BILLABLE CODE
            • G43.011 - Migraine without aura, intractable, with status migrainosus BILLABLE CODE
            • G43.019 - Migraine w/o aura, intractable, without status migrainosus BILLABLE CODE
            • G43.1 - Migraine with aura NON-BILLABLE CODE
            • G43.10 - Migraine with aura, not intractable NON-BILLABLE CODE
            • G43.101 - Migraine with aura, not intractable, with status migrainosus BILLABLE CODE
            • G43.109 - Migraine with aura, not intractable, w/o status migrainosus BILLABLE CODE
            • G43.11 - Migraine with aura, intractable NON-BILLABLE CODE
            • G43.111 - Migraine with aura, intractable, with status migrainosus BILLABLE CODE
            • G43.119 - Migraine with aura, intractable, without status migrainosus BILLABLE CODE
            • G43.4 - Hemiplegic migraine NON-BILLABLE CODE
            • G43.40 - Hemiplegic migraine, not intractable NON-BILLABLE CODE
            • G43.401 - Hemiplegic migraine, not intractable, w status migrainosus BILLABLE CODE
            • G43.409 - Hemiplegic migraine, not intractable, w/o status migrainosus BILLABLE CODE
            • G43.41 - Hemiplegic migraine, intractable NON-BILLABLE CODE
            • G43.411 - Hemiplegic migraine, intractable, with status migrainosus BILLABLE CODE
            • G43.419 - Hemiplegic migraine, intractable, without status migrainosus BILLABLE CODE
            • G43.5 - Persistent migraine aura without cerebral infarction NON-BILLABLE CODE
            • G43.50 - Persistent migraine aura w/o cerebral infarction, not ntrct NON-BILLABLE CODE
            • G43.501 - Perst migraine aura w/o cereb infrc, not ntrct, w stat migr BILLABLE CODE
            • G43.509 - Perst migrn aura w/o cereb infrc, not ntrct, w/o stat migr BILLABLE CODE
            • G43.51 - Persistent migraine aura w/o cerebral infarction, ntrct NON-BILLABLE CODE
            • G43.511 - Perst migraine aura w/o cerebral infrc, ntrct, w stat migr BILLABLE CODE
            • G43.519 - Perst migraine aura w/o cerebral infrc, ntrct, w/o stat migr BILLABLE CODE
            • G43.6 - Persistent migraine aura with cerebral infarction NON-BILLABLE CODE
            • G43.60 - Persistent migraine aura w cerebral infarction, not ntrct NON-BILLABLE CODE
            • G43.601 - Perst migraine aura w cerebral infrc, not ntrct, w stat migr BILLABLE CODE
            • G43.609 - Perst migraine aura w cereb infrc, not ntrct, w/o stat migr BILLABLE CODE
            • G43.61 - Persistent migraine aura w cerebral infarction, intractable NON-BILLABLE CODE
            • G43.611 - Perst migraine aura w cerebral infrc, ntrct, w stat migr BILLABLE CODE
            • G43.619 - Perst migraine aura w cerebral infrc, ntrct, w/o stat migr BILLABLE CODE
            • G43.7 - Chronic migraine without aura NON-BILLABLE CODE
            • G43.70 - Chronic migraine without aura, not intractable NON-BILLABLE CODE
            • G43.701 - Chronic migraine w/o aura, not intractable, w stat migr BILLABLE CODE
            • G43.709 - Chronic migraine w/o aura, not intractable, w/o stat migr BILLABLE CODE
            • G43.71 - Chronic migraine without aura, intractable NON-BILLABLE CODE
            • G43.711 - Chronic migraine w/o aura, intractable, w status migrainosus BILLABLE CODE
            • G43.719 - Chronic migraine w/o aura, intractable, w/o stat migr BILLABLE CODE
            • G43.8 - Other migraine NON-BILLABLE CODE
            • G43.80 - Other migraine, not intractable NON-BILLABLE CODE
            • G43.801 - Other migraine, not intractable, with status migrainosus BILLABLE CODE
            • G43.809 - Other migraine, not intractable, without status migrainosus BILLABLE CODE
            • G43.81 - Other migraine, intractable NON-BILLABLE CODE
            • G43.811 - Other migraine, intractable, with status migrainosus BILLABLE CODE
            • G43.819 - Other migraine, intractable, without status migrainosus BILLABLE CODE
            • G43.82 - Menstrual migraine, not intractable NON-BILLABLE CODE
            • G43.821 - Menstrual migraine, not intractable, with status migrainosus BILLABLE CODE
            • G43.829 - Menstrual migraine, not intractable, w/o status migrainosus BILLABLE CODE
            • G43.83 - Menstrual migraine, intractable NON-BILLABLE CODE
            • G43.831 - Menstrual migraine, intractable, with status migrainosus BILLABLE CODE
            • G43.839 - Menstrual migraine, intractable, without status migrainosus BILLABLE CODE
            • G43.9 - Migraine, unspecified NON-BILLABLE CODE
            • G43.90 - Migraine, unspecified, not intractable NON-BILLABLE CODE
            • G43.901 - Migraine, unsp, not intractable, with status migrainosus BILLABLE CODE
            • G43.909 - Migraine, unsp, not intractable, without status migrainosus BILLABLE CODE
            • G43.91 - Migraine, unspecified, intractable NON-BILLABLE CODE
            • G43.911 - Migraine, unspecified, intractable, with status migrainosus BILLABLE CODE
            • G43.919 - Migraine, unsp, intractable, without status migrainosus BILLABLE CODE
            • G43.A - Cyclical vomiting NON-BILLABLE CODE
            • G43.A0 - Cyclical vomiting, in migraine, not intractable BILLABLE CODE
            • G43.A1 - Cyclical vomiting, in migraine, intractable BILLABLE CODE
            • G43.B - Ophthalmoplegic migraine NON-BILLABLE CODE
            • G43.B0 - Ophthalmoplegic migraine, not intractable BILLABLE CODE
            • G43.B1 - Ophthalmoplegic migraine, intractable BILLABLE CODE
            • G43.C - Periodic headache syndromes in child or adult NON-BILLABLE CODE
            • G43.C0 - Periodic headache syndromes in chld/adlt, not intractable BILLABLE CODE
            • G43.C1 - Periodic headache syndromes in child or adult, intractable BILLABLE CODE
            • G43.D - Abdominal migraine NON-BILLABLE CODE
            • G43.D0 - Abdominal migraine, not intractable BILLABLE CODE
            • G43.D1 - Abdominal migraine, intractable BILLABLE CODE