ICD-10 Diagnosis Code Q04.6

Congenital cerebral cysts

Diagnosis Code Q04.6

ICD-10: Q04.6
Short Description: Congenital cerebral cysts
Long Description: Congenital cerebral cysts
This is the 2017 version of the ICD-10-CM diagnosis code Q04.6

Code Classification
  • Congenital malformations, deformations and chromosomal abnormalities
    • Congenital malformations of the nervous system (Q00-Q07)
      • Other congenital malformations of brain (Q04)

Information for Medical Professionals

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code Q04.6 is exempt from POA reporting.

  • Arachnoid / ependymal cyst
  • Arachnoid cyst
  • Arachnoid cyst
  • Choroid plexus cyst
  • Colloid brain cyst
  • Colloid cyst of third ventricle
  • Congenital cerebral cyst
  • Congenital choroid plexus cyst
  • Congenital porencephaly
  • Congenital pseudoporencephaly
  • Cystic malformation of posterior fossa
  • Cystic malformation of posterior fossa
  • Early secondary malformation of the central nervous system
  • Ependymal cyst
  • Multiple congenital cerebral cysts
  • Persistent Blake's pouch cyst
  • Porencephalic cyst
  • Posterior fossa arachnoid cyst
  • Pseudoporencephaly
  • Schizencephaly
  • Single congenital cerebral cyst

Index of Diseases and Injuries
References found for the code Q04.6 in the Index of Diseases and Injuries:

Information for Patients

Brain Diseases

The brain is the control center of the body. It controls thoughts, memory, speech, and movement. It regulates the function of many organs. When the brain is healthy, it works quickly and automatically. However, when problems occur, the results can be devastating.

Inflammation in the brain can lead to problems such as vision loss, weakness and paralysis. Loss of brain cells, which happens if you suffer a stroke, can affect your ability to think clearly. Brain tumors can also press on nerves and affect brain function. Some brain diseases are genetic. And we do not know what causes some brain diseases, such as Alzheimer's disease.

The symptoms of brain diseases vary widely depending on the specific problem. In some cases, damage is permanent. In other cases, treatments such as surgery, medicines, or physical therapy can correct the source of the problem or improve symptoms.

  • Basal ganglia dysfunction
  • Brain abscess
  • Brain surgery
  • Central pontine myelinolysis
  • Cerebral spinal fluid (CSF) collection
  • EEG
  • Hepatic encephalopathy
  • Pseudotumor cerebri
  • Wernicke-Korsakoff syndrome

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Familial porencephaly Familial porencephaly is part of a group of conditions called the COL4A1-related disorders. The conditions in this group have a range of signs and symptoms that involve fragile blood vessels. In familial porencephaly, fluid-filled cysts develop in the brain (porencephaly) during fetal development or soon after birth. These cysts typically occur in only one side of the brain and vary in size. The cysts are thought to be the result of bleeding within the brain (hemorrhagic stroke). People with this condition also have leukoencephalopathy, which is a change in a type of brain tissue called white matter that can be seen with magnetic resonance imaging (MRI).During infancy, people with familial porencephaly typically have paralysis affecting one side of the body (infantile hemiplegia). Affected individuals may also have recurrent seizures (epilepsy), migraine headaches, speech problems, intellectual disability, and uncontrolled muscle tensing (dystonia). Some people are severely affected, and others may have no symptoms related to the brain cysts.
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