Specific code 2015 ICD-9-CM Diagnosis Code 780.93
Memory loss
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 780.93 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 780.93 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: 780.93 converts approximately to:
  • 2015/16 ICD-10-CM R41.2 Retrograde amnesia
    Or:
  • 2015/16 ICD-10-CM R41.3 Other amnesia
Approximate Synonyms
  • Amnesia
  • Amnesia, anterograde
  • Amnesia, retrograde
  • Anterograde amnesia
  • Forgetful
  • Forgetfulness
  • Memory impairment
  • Retrograde amnesia
Clinical Information
  • Memory loss for events and experiences that occurred before the incident that produced the amnesia
  • Partial or complete loss of memory caused by organic or psychological factors. The loss may be temporary or permanent, and may involve old or recent memories. Compare forgetting and memory decay
  • Systematic and extensive loss of memory caused by organic or psychological factors. The loss may be temporary or permanent, and may involve old or recent memories
780.93 Excludes
Applies To
  • Amnesia (retrograde)
  • Memory loss NOS
ICD-9-CM Volume 2 Index entries containing back-references to 780.93:
  • Alteration (of), altered
    • mental status 780.97
      • amnesia (retrograde) 780.93
      • memory loss 780.93
  • Amnesia (retrograde) 780.93
    • hysterical or dissociative type 300.12
  • Disturbance - see also Disease
    • memory (see also Amnesia) 780.93
      • mild, following organic brain damage 310.89
  • Lack of
    • memory (see also Amnesia) 780.93
      • mild, following organic brain damage 310.89
  • Loss
    • memory (see also Amnesia) 780.93
      • mild, following organic brain damage 310.89
  • Memory disturbance, loss or lack (see also Amnesia) 780.93
    • mild, following organic brain damage 310.89
  • Paramnesia (see also Amnesia) 780.93
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 780.93 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.