Q04.6
BillableCongenital cerebral cysts
HCC Category Mapping
V28HCC 182 — Spinal Cord Disorders/Injuries
0.282V24HCC 72 — Spinal Cord Disorders/Injuries
0.464ESRDHCC 72 — Spinal Cord Disorders/Injuries
0.000RxHCCHCC 155 — Myelitis and Encephalomyelitis
0.000What This Code Means
A birth defect involving fluid-filled cavities or cysts within the brain tissue that develop before birth.
Coding Tips
- •Specify the location and number of cysts if documented
- •Distinguish from acquired cerebral cysts that develop after birth
Clinical Significance
Congenital cerebral cysts are fluid-filled cavities within brain tissue that can cause seizures, developmental delays, and neurological deficits depending on size and location. These require ongoing monitoring and potential surgical intervention if causing mass effect or complications.
Documentation Requirements
- ✓Documentation of congenital cystic lesions within brain tissue
- ✓Neuroimaging findings showing cerebral cysts with size and location
- ✓Clinical presentation and neurological examination findings
- ✓Assessment of mass effect or compression of adjacent brain tissue
- ✓Seizure history and neurological complications
- ✓Developmental impact evaluation
- ✓Surgical consultation or intervention history if applicable
- ✓Long-term monitoring and management plans
Excludes 1 — Do NOT code together
- acquired porencephalic cyst (G93.0)
Commonly Confused Codes
Q04.3 — Other brain reduction deformities involve tissue underdevelopment, not cystsG93.0 — Cerebral cysts acquired condition, not congenitalQ03.8 — Other hydrocephalus involves ventricular system, not brain tissue cystsD33.0 — Brain neoplasms are different pathological processesG91.1 — Obstructive hydrocephalus involves CSF pathways, not tissue cysts
Code Hierarchy
└Q04Other congenital malformations of brain└Q04.6Congenital cerebral cysts
└Q04.6Congenital cerebral cysts