PUCD Comprehensive - NGS & Deletion/Duplication Analysis

Casandra

Casandra Test Code BA39064Version 1 (DRAFT)

Performing Lab

Lab Baylor GeneticsLab Test ID 5274CPT Codes 81405, 81479

PUCD Comprehensive - NGS & Deletion/Duplication Analysis

Clinical Use

Use

The PUCD Comprehensive - NGS & Deletion/Duplication Analysis aims to identify genetic conditions linked to urea cycle disorders (UCDs), which result from a buildup of ammonia in the blood. Symptoms commonly arise in the first days of life, presenting as lethargy, feeding refusal, seizures, and other serious complications. The identified genes pertain to CPS1 deficiency, NAGS deficiency, and OTC deficiency. Appropriate testing is critical for affected individuals, carriers, and symptomatic patients. Early intervention and dietary management can significantly improve patient outcomes.

Special Instructions

For optimal results, specimens should be collected with appropriate kits and shipped overnight under specified conditions. Shipping instructions must be meticulously followed to ensure sample viability. The laboratory recommends coordination with healthcare providers for formal sample collection whenever possible. Consult the laboratory website for additional ordering information and resources.

Limitations

While the assay is designed to detect common pathogenic variants, it may not identify all genetic causes of urea cycle disorders. False negatives may occur due to variant types not covered by the test. Interpretation may be complicated by biochemical for mutation carriers. Emotional and psychological implications of results should also be considered in genetic counseling. Testing should not be solely used for clinical decision-making without comprehensive clinical context.

Test Details