Home > 2006 ICD-9-CM Diagnosis Codes > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Specific nonpsychotic mental disorders due to brain damage 310-
Specific code 2006 ICD-9-CM Diagnosis Code 310.9
Unspecified nonpsychotic mental disorder following organic brain damage
  • Short description: NONPSYCHOT BRAIN SYN NOS.
  • ICD-9-CM 310.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 310.9 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).
  • You are viewing the 2006 version of ICD-9-CM 310.9.
  • More recent version(s) of ICD-9-CM 310.9: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 310.9 converts approximately to:
  • 2015/16 ICD-10-CM F09 Unspecified mental disorder due to known physiological condition
Approximate Synonyms
  • Acute non-psychotic brain syndrome
  • Babinski-Nageotte syndrome
  • Brain syndrome, nonpsychotic
  • Brain syndrome, nonpsychotic, acute
  • Chronic brain syndrome
  • Chronic non-psychotic brain syndrome
  • Chronic organic mental disorder
  • Metabolic encephalopathy
  • Non-psychotic mental disorder
  • Non-psychotic psychological disorder after brain damage
  • Organic brain syndrome
  • Organic brain syndrome associated with AIDS
  • Organic brain syndrome, chronic
  • Organic mental disorder
  • Specific nonpsychotic mental disorders following organic brain damage
ICD-9-CM Volume 2 Index entries containing back-references to 310.9:
  • Brain - see also condition
    • syndrome (acute) (chronic) (nonpsychotic) (organic) (with neurotic reaction) (with behavioral reaction) (see also Syndrome, brain) 310.9
      • with
        • presenile brain disease 290.10
        • psychosis, psychotic reaction (see also Psychosis, organic) 294.9
      • congenital (see also Retardation, mental) 319
  • 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
  • Syndrome - see also Disease
    • brain (acute) (chronic) (nonpsychotic) (organic) (with behavioral reaction) (with neurotic reaction) 310.9
      • with
        • presenile brain disease (see also Dementia, presenile) 290.10
        • psychosis, psychotic reaction (see also Psychosis, organic) 294.9
      • chronic alcoholic 291.2
      • congenital (see also Retardation, mental) 319
      • postcontusional 310.2
      • posttraumatic
      • psycho-organic (see also Syndrome, psycho-organic) 310.9
      • psychotic (see also Psychosis, organic) 294.9
      • senile (see also Dementia, senile) 290.0
 310.8 ICD9Data.com 311 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 310.9 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes