Home > 2009 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Other conditions of brain 348-
Specific code 2009 ICD-9-CM Diagnosis Code 348.4
Compression of brain
  • ICD-9-CM 348.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 348.4 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 2009 version of ICD-9-CM 348.4.
  • More recent version(s) of ICD-9-CM 348.4: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 348.4 converts directly to:
  • 2015/16 ICD-10-CM G93.5 Compression of brain
Approximate Synonyms
  • Arnold Chiari Type 1
  • Arnold Chiari type I
  • Brain compression
  • Brain compression due to focal lesion
  • Brain stem compression
  • Brain stem herniation
  • Cerebellar pressure cone
  • Cerebellar tonsil hernia into foramen magnum
  • Cerebral herniation
  • Cerebral herniation tonsillar, into foramen magnum
  • Chiari malformation type I
  • Compression of brain due to focal lesion
  • Compression of brain due to nontraumatic intracerebral hemorrhage
  • Hernia of cerebellar tonsil into foramen magnum (disorder)
  • Herniation brain stem
  • Herniation cerebral
  • Herniation tonsillar, into foramen magnum
  • Herniation under falx cerebri
  • Intracerebral hemorrhage w brain compression
  • Intracerebral hemorrhage with brain compression
  • Intracerebral hemorrhage with brain compression and coma
  • Intracerebral hemorrhage, coma
  • Intracerebral hemorrhage, w coma and brain compression
  • Intracerebral hemorrhage, with brain compression
  • Nontraumatic intracerebral hemorrhage w brain compression
  • Nontraumatic intracerebral hemorrhage w coma and brain compression
  • Nontraumatic subarachnoid hemorrhage w brain compression
  • Nontraumatic subarachnoid hemorrhage w coma and brain compression
  • Nontraumatic subarachnoid hemorrhage with brain compression
  • Nontraumatic subarachnoid hemorrhage with coma and brain compression
  • Nontraumatic subdural hematoma w brain compression
  • Nontraumatic subdural hematoma w coma and brain compression
  • Nontraumatic subdural hematoma with brain compression
  • Nontraumatic subdural hematoma with brain compression and coma
  • Posterior fossa compression syndrome
  • Spontaneous cerebral hemorrhage with coma and compression of brain (disorder)
  • Spontaneous cerebral hemorrhage with compression of brain (disorder)
  • Subarachnoid hemorrhage, non traumatic w brain compression
  • Subarachnoid hemorrhage, non traumatic w coma and brain compression
  • Subarachnoid hemorrhage, with brain compression
  • Subarachnoid hemorrhage, with coma
  • Subdural hematoma, nontraumatic w brain compression
  • Subdural hematoma, nontraumatic w coma and brain compression
  • Subdural hematoma, with brain compression
  • Subdural hematoma, with coma
  • Tonsillar hernia into foramen magnum
Applies To
  • Compression brain (stem)
  • Herniation brain (stem)
  • Posterior fossa compression syndrome
ICD-9-CM Volume 2 Index entries containing back-references to 348.4:
  • Arnold-Chiari obstruction or syndrome (see also Spina bifida) 741.0
    • type I 348.4
  • Chiari's
    • malformation
      • type I 348.4
      • type II (see also Spina bifida) 741.0
      • type III 742.0
      • type IV 742.2
  • Compression
    • brain (stem) 348.4
      • due to
        • contusion, brain - see Contusion, brain
        • injury NEC - see also Hemorrhage, brain, traumatic
          • birth - see Birth, injury, brain
        • laceration, brain - see Laceration, brain
      • osteopathic 739.0
  • Hernia, hernial (acquired) (recurrent) 553.9
    • brain 348.4
  • Herniation - see also Hernia
    • brain (stem) 348.4
    • cerebral 348.4
  • Malformation (congenital) - see also Anomaly
    • Chiari
      • type I 348.4
      • type II (see also Spina bifida) 741.0
      • type III 742.0
      • type IV 742.2
  • Pressure
    • brain 348.4
    • cone, tentorial 348.4
  • Syndrome - see also Disease
    • foramen magnum 348.4
    • posterior
      • cervical sympathetic 723.2
      • fossa compression 348.4
      • inferior cerebellar artery (see also Disease, cerebrovascular, acute) 436
      • reversible encephalopathy (PRES) 348.39
 348.39 ICD9Data.com 348.5 
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