|Print View Attached Docs:|
|94230:PRADER WILLI/ANGELMAN SYNDROME|
|Released:||14 days after setup at PeaceHealth Laboratories’ reference lab.|
|CPT Code:||83891-905E / 83892-905E / 83894-905E / 83912-905E|
|Specimen Collection Details|
|Collection:||CHILD: One 4 mL lavender top tube (EDTA). ADULT: Two 4 mL lavender top tube (EDTA). Also acceptable: One 8.5 mL yellow top tube (ACD-A)|
|Handling:||Do not spin. Send as whole blood. Include diagnostic indications for testing.|
|Stability:||7 days ambient or 7 days refrigerated. Unstable frozen.|
|Standard Volume:||CHILD: 4 mL whole blood. ADULT: 8 mL whole blood.|
|Minimum Volume:||4 mL whole blood (child or adult).|
|Comments:||Prader-Willi syndrome (PWS) is characterized by hypotonia, failure to thrive in infancy, rapid weight gain/obesity between 12 months and 6 years, characteristics of PWS, or pregnancies at risk due to a known translocation or imprinting mutation.
Angelman syndrome (AS) is characterized by severe developmental delay/mental retardation, absence of speech, ataxic gait, inappropriate laughter, hand-flapping, and less frequently, microcephaly, and seizures. Indications for testing include clinical characteristics of AS or pregnancies at risk due to a known translocation or imprinting mutation. AS is not usually suspected in the first year of life, but becomes a consideration between 1-4 years of age.
|Rejection Criteria:||Frozen specimen, broken specimen tubes; clotted specimen. Specimen other than those specified above.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list .
Failure to gain preauthorization may result in denial of coverage.