Specific code 2010 ICD-9-CM Diagnosis Code 310.1
Personality change due to conditions classified elsewhere
  • Short description: Personality chg oth dis.
  • ICD-9-CM 310.1 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 310.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2010 version of ICD-9-CM 310.1.
  • More recent version(s) of ICD-9-CM 310.1: 2011 2012 2013 2014.
Disease Synonyms
  • Change in personality
  • Cognitive changes due to general medical condition
  • Cognitive changes due to medical disorder
  • Enduring personality change after catastrophic experience
  • Explosive type organic personality disorder
  • Organic personality disorder
  • Organic personality syndrome
  • Personality change due to a general medical condition
  • Personality change due to medical disorder
310.1 Excludes
  • mild cognitive impairment (331.83)
  • postconcussion syndrome (310.2)
  • signs and symptoms involving emotional state (799.21-799.29)
Applies To
  • Cognitive or personality change of other type, of nonpsychotic severity
  • Organic psychosyndrome of nonpsychotic severity
  • Presbyophrenia NOS
  • Senility with mental changes of nonpsychotic severity
Convert to ICD-10-CM: 310.1 converts approximately to:
  • 2014 ICD-10-CM F07.0 Personality change due to known physiological condition
ICD-9-CM Volume 2 Index entries containing back-references to 310.1:
  • Change(s) (of) - see also Removal of
    • cognitive or personality change of other type, nonpsychotic 310.1
    • personality (nonpsychotic) NEC 310.1
  • Disorder - see also Disease
    • mental (nonpsychotic) 300.9
      • affecting management of pregnancy, childbirth, or puerperium 648.4
      • drug-induced 292.9
        • hallucinogen persisting perception 292.89
        • specified type NEC 292.89
      • due to or associated with
      • induced by drug 292.9
      • neurotic (see also Neurosis) 300.9
      • of infancy, childhood or adolescence 313.9
      • persistent
        • other
          • due to conditions classified elsewhere 294.8
        • unspecified
          • due to conditions classified elsewhere 294.9
      • presenile 310.1
      • previous, affecting management of pregnancy V23.89
      • psychoneurotic (see also Neurosis) 300.9
      • psychotic (see also Psychosis) 298.9
      • specific, following organic brain damage 310.9
        • cognitive or personality change of other type 310.1
        • frontal lobe syndrome 310.0
        • postconcussional syndrome 310.2
        • specified type NEC 310.8
      • transient
        • in conditions classified elsewhere 293.9
  • Disturbance - see also Disease
    • personality (pattern) (trait) (see also Disorder, personality) 301.9
      • following organic brain damage 310.1
  • Personality
    • change 310.1
  • Presbyophrenia 310.1
  • Syndrome - see also Disease
    • organic personality 310.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 310.1 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.