2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Migraine 346.* >
 2007 ICD-9-CM Diagnosis 346.0
Classical migraine On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 346.0 can be accessed here. - A condition characterized by throbbing headaches which are preceded or accompanied by reversible symptoms that reflect cortical or brain stem dysfunction. The most common type of aura consists of a positive visual phenomenon, usually in the form of a scintillating scotoma. An aura may also take the form of other focal neurologic symptoms or signs, including loss of sensation or weakness in an extremity. In general, the aura precedes the headache by less than 60 minutes, develops over 4 minutes or longer, and has a duration of less than one hour. (From Adams et al., Principles of Neurology, 6th ed, p172; Cephalalgia 1988;8:Suppl 7:1-96)
- 346.0 is a non-specific code that cannot be used to specify a diagnosis
- 346.0 contains 3 index entries
- View the ICD-9-CM Volume 1 346.* hierarchy
346.0 also known as:- Migraine preceded or accompanied by transient focal neurological phenomena
- Migraine with aura
Index entries containing 346.0:- Migraine (idiopathic) 346.9
- with aura
 346.0
- classical 346.0
Syndrome - see also Disease- migraine 346.0
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