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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Specific Nonpsychotic Mental Disorders Due To Brain Damage 310.* >

2008 ICD-9-CM Diagnosis 310.2

Postconcussion syndrome

  • The organic and psychogenic disturbances observed after closed head injuries (HEAD INJURIES, CLOSED). Post-concussion syndrome includes subjective physical complaints (i.e. headache, dizziness), cognitive, emotional, and behavioral changes. These disturbances can be chronic, permanent, or late emerging.
  • 310.2 is a specific code that can be used to specify a diagnosis
  • 310.2 contains 19 index entries
  • View the ICD-9-CM Volume 1 310.* hierarchy

310.2 also known as:

  • Postcontusion syndrome or encephalopathy
  • Posttraumatic brain syndrome, nonpsychotic
  • Status postcommotio cerebri

310.2 excludes:

  • any organic psychotic conditions following head injury (293.0-294.0)
  • frontal lobe syndrome (310.0)
  • postencephalitic syndrome (310.8)


Index entries containing 310.2:

Concussion (current) 850.9
  • syndrome 310.2
Disorder - see also Disease
  • mental (nonpsychotic) 300.9
    • specific, following organic brain damage 310.9
      • postconcussional syndrome 310.2
Encephalopathy (acute) 348.30
  • due to
    • trauma (postconcussional) 310.2
      • current (see also Concussion, brain) 850.9
        • with skull fracture - see Fracture, skull, by site, with intracranial injury
  • postcontusional 310.2
  • posttraumatic 310.2
  • traumatic (postconcussional) 310.2
    • current (see also Concussion, brain) 850.9
      • with skull fracture - see Fracture, skull, by site, with intracranial injury
Encephalosis, posttraumatic 310.2
Porencephaly (congenital) (developmental) (true) 742.4
  • traumatic (post) 310.2
Postconcussional syndrome 310.2
Postcontusional syndrome 310.2
Posttraumatic brain syndrome, nonpsychotic 310.2
Psychopathic - see also condition
  • constitution, posttraumatic 310.2
Punch drunk 310.2
Status (post)
  • postcommotio cerebri 310.2
Syndrome - see also Disease
  • brain (acute) (chronic) (nonpsychotic) (organic) (with behavioral reaction) (with neurotic reaction) 310.9
    • postcontusional 310.2
    • posttraumatic
      • nonpsychotic 310.2
  • concussion 310.2
  • postconcussional 310.2
  • postcontusional 310.2