Specific code 2009 ICD-9-CM Diagnosis Code 298.2
Reactive confusion
  • ICD-9-CM 298.2 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 298.2 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2009 version of ICD-9-CM 298.2.
  • More recent version(s) of ICD-9-CM 298.2: 2010 2011 2012 2013 2014.
Disease Synonyms
  • Confusion, reactive
298.2 Excludes
  • acute confusional state (293.0)
Applies To
  • Psychogenic confusion
  • Psychogenic twilight state
Convert to ICD-10-CM: 298.2 converts approximately to:
  • 2014 ICD-10-CM F44.89 Other dissociative and conversion disorders
ICD-9-CM Volume 2 Index entries containing back-references to 298.2:
  • Confusion, confused (mental) (state) (see also State, confusional) 298.9
    • psychogenic 298.2
    • reactive (from emotional stress, psychological trauma) 298.2
  • Psychosis 298.9
    • reactive (emotional stress) (psychological trauma) 298.8
  • State
    • psychogenic, twilight 298.2
    • twilight
      • epileptic 293.0
      • psychogenic 298.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 298.2 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.