PDHA1 Sequence Analysis (Familial Mutation/Variant Analysis)

Casandra

Casandra Test Code BA36217Version 1 (DRAFT)

Performing Lab

Lab Baylor GeneticsLab Test ID 3166CPT Code 81403

PDHA1 Sequence Analysis (Familial Mutation/Variant Analysis)

Clinical Use

Use

The PDHA1 Sequence Analysis is intended for individuals with a known familial variant in the PDHA1 gene. This test is crucial for both symptomatic patients and those planning a pregnancy in families affected by pyruvate dehydrogenase (PDH) deficiency. PDH deficiency results in serious health issues, including lactic acid accumulation and possible severe neurological implications such as developmental delays and seizures. Understanding familial variants can guide clinical management and influence pregnancy planning, providing critical information for carrier screening and identifying potential risks for offspring.

Special Instructions

A laboratory report with the relative's variant details and clinical status (symptomatic or asymptomatic) must accompany the specimen. If the familial variant was identified elsewhere, consultation with a genetic counselor is necessary before specimen submission. Testing is contingent upon having known familial variants to ensure accuracy and relevance.

Limitations

The analysis is limited to known familial variants and does not cover unidentified alterations. The accuracy of the results relies on the thoroughness of familial documentation provided. Misinterpretations may arise if the genetic relation between the patient and the relative is not clearly established or if the clinical status of the patient is not accurately reported. Results may vary and should be confirmed with additional testing, particularly in cases where symptoms do not correlate with test results.

Test Details