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Angelman Syndrome and Prader-Willi Syndrome by Methylation

Mnemonic

AS PWS

Specimen Collection Requirements

Collect

Whole Blood, one lavender (EDTA) top tube, also acceptable: pink (K2EDTA), yellow (ACD Solution A or B) top tube

Preferred Volume

3.0 mL

Minimum Volume

1.5 mL

Transport

Refrigerated

Rejection Criteria

Serum, frozen whole blood and severely hemolyzed samples

Stability

Ambient: 3 days; Refrigerated: 1 week; Frozen: Unacceptable

Testing Information

Performed

Mon, Thur

Reported

9-12 days

Method

Methylation Sensitive Polymerase Chain Reaction/Fluorescent Monitoring

Referral Lab

ARUP (2005077)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

81331

Last Updated: Monday, September 23, 2019 11:12:59 PM


Client Services: 503-413-1234