G43 Migraine

Non-billable header with 13 child codes.

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 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

Codes under G43

• G43.0 Migraine without aura
• G43.1 Migraine with aura
• G43.4 Hemiplegic migraine
• G43.5 Persistent migraine aura without cerebral infarction
• G43.6 Persistent migraine aura with cerebral infarction
• G43.7 Chronic migraine without aura
• G43.A Cyclical vomiting
• G43.B Ophthalmoplegic migraine
• G43.C Periodic headache syndromes in child or adult
• G43.D Abdominal migraine
• G43.8 Other migraine
• G43.9 Migraine, unspecified
• G43.E Chronic migraine with aura

Code annotations containing back-references to G43

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)")

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)")

Nearby codes

• G43 Migraine (this code)
• G43.0 Migraine without aura
• G43.00 Migraine without aura, not intractable
• G43.001 Migraine without aura, not intractable, with status migrainosus
• G43.009 Migraine without aura, not intractable, without status migrainosus
• G43.01 Migraine without aura, intractable