Specific code 2015 ICD-9-CM Diagnosis Code 780.02
Transient alteration of awareness
  • 2015
  • Billable Code
  • ICD-9-CM 780.02 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 780.02 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Disorientated in time
  • Impaired environmental interpretation syndrome
  • Mental status, transient alteration
  • On examination - conscious level fluctuating
  • Transient altered mental status
Convert to ICD-10-CM: 780.02 converts directly to:
  • 2015 ICD-10-CM R40.4 Transient alteration of awareness
ICD-9-CM Volume 2 Index entries containing back-references to 780.02:
  • Alteration (of), altered
    • awareness 780.09
      • transient 780.02
    • consciousness 780.09
      • persistent vegetative state 780.03
      • transient 780.02
  • Transient - see also condition
    • alteration of awareness 780.02
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 780.02 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.