Specific code 2015 ICD-9-CM Diagnosis Code 300.6
Depersonalization disorder
  • 2015
  • Billable Code
  • ICD-9-CM 300.6 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 300.6 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Depersonalisation disorder
Clinical Information
  • A disorder characterized by persistent or recurrent episodes of feeling detached from one's self (either one's body or one's mental processes), although the sufferer remains aware that this is only a feeling and does not represent reality
  • A feeling of altered reality characterized by a feeling of unreality, or being unreal
300.6 Excludes
Applies To
  • Derealization (neurotic)
  • Neurotic state with depersonalization episode
Convert to ICD-10-CM: 300.6 converts directly to:
  • 2015 ICD-10-CM F48.1 Depersonalization-derealization syndrome
ICD-9-CM Volume 2 Index entries containing back-references to 300.6:
  • Depersonalization (episode, in neurotic state) (neurotic) (syndrome) 300.6
  • Derealization (neurotic) 300.6
  • Disorder - see also Disease
    • depersonalization 300.6
  • Episode
    • depersonalization (in neurotic state) 300.6
  • Neurosis, neurotic 300.9
    • depersonalization 300.6
    • state 300.9
      • with depersonalization episode 300.6
  • Psychoneurosis, psychoneurotic (see also Neurosis) 300.9
    • depersonalization 300.6
  • Reaction
  • State
    • neurotic NEC 300.9
      • with depersonalization episode 300.6
  • Syndrome - see also Disease
    • depersonalization 300.6
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 300.6 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.