`G43.01` Migraine without aura, intractable

Non-billable header with 2 child codes.

Applicable to

Migraine without aura with refractory migraine

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 G43.0 Migraine without aura

Applicable to

Common migraine

Excludes1 (never code together)

chronic migraine without aura (G43.7-)

Codes under G43.01

G43.011 Migraine without aura, intractable, with status migrainosus
G43.019 Migraine without aura, intractable, without status migrainosus

Code annotations containing back-references to G43.01

Back-references to G43.0

Type 1 Excludes: G43.7 Chronic migraine without aura ("migraine without aura (G43.0-)")

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
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 (this code)
G43.011 Migraine without aura, intractable, with status migrainosus
G43.019 Migraine without aura, intractable, without status migrainosus
G43.1 Migraine with aura
G43.10 Migraine with aura, not intractable
G43.101 Migraine with aura, not intractable, with status migrainosus