Specific code 2015 ICD-9-CM Diagnosis Code 379.43
Mydriasis (persistent), not due to mydriatics
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 379.43 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 379.43 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: 379.43 converts directly to:
  • 2015/16 ICD-10-CM H57.04 Mydriasis
Approximate Synonyms
  • Bilateral fixed dilatation of pupil
  • Congenital mydriasis
  • Dilated pupil
  • Fixed dilatation of pupil
  • Mydriasis
  • Mydriasis innervational defect
  • Mydriasis not due to mydriatics
  • Mydriasis, not due to mydriatics
  • Persistent mydriasis
  • Traumatic mydriasis
ICD-9-CM Volume 2 Index entries containing back-references to 379.43:
  • Dilatation
    • pupil 379.43
  • Mydriasis (persistent) (pupil) 379.43
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 379.43 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.