Home > 2015 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Migraine 346-
Specific code 2015 ICD-9-CM Diagnosis Code 346.70
Chronic migraine without aura, without mention of intractable migraine without mention of status migrainosus
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 346.70 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 346.70 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 346.70 converts directly to:
  • 2015/16 ICD-10-CM G43.709 Chronic migraine without aura, not intractable, without status migrainosus
Approximate Synonyms
  • Chronic migraine
  • Migraine wo aura, chronic
  • Migraine, chronic
  • Migraine, transformed
  • Transformed migraine
  • Transformed migraine without aura (disorder)
 346.7 ICD9Data.com 346.71 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 346.70 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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