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Epic Code LAB3154 Prader Willi/Angelman mPCR

Important Note

Please review Ordering Instructions

Test Name Alias

Angelman/Prader Willi mPCR | Prader Willi/Angelman mPCR | 80

Interface Order Alias


Quick Collect


Clinical Information

Methylation analysis that detects both deletions and uniparental disomy (UPD). This test is used for the diagnosis of Angelman and Prader Willi Syndromes.

Ordering Instructions

Prader Willi/Angelman mPCR is a predictive and presymptomatic genetic test.


Submission of an order for any predictive genetic tests and presymptomatic genetic tests, as defined by MCL 333.17020, contained in this catalog constitutes certification to Corewell Health laboratories that the ordering physician understands that written, informed consent is required for these tests and that, by submitting an order for these genetic tests, ordering physician has obtained “Informed Consent” of subject patient as required by any applicable state or federal laws with respect to each test ordered. On occasion, we forward a specimen to an outside reference laboratory. Corewell Health laboratories may request that ordering physician provide such consent to Corewell Health upon a reasonable request.


For an example of an informed consent, click here.

Specimen Requirements

Specimen Type: Whole Blood EDTA
Container/Tube: Lavender Top (EDTA)
Volume: 3 mL
Minimum volume: 1 mL
Collection Instructions: For optimal results, specimen should be received within 48 hours of collection.

Specimen Transport Temperature

Ambient or Refrigerated

Specimen Stability

Ambient: 24 hours

Refrigerate: 72 hours

Laboratory Retention: Extracted DNA retained greater than 1 year

Test Frequency

Available once per week, usual TAT less than 7 days.

Reference Range

An interpretative report will be provided.

Performing Department

Molecular Diagnostics

Performing Department Laboratory Location

Corewell Health Advanced Technology Laboratory (ATL), Grand Rapids, MI


Methylation Specific Polymerase Chain Reaction (mPCR) 



CDM Code


Epic Test ID



PraderWilli/Angelman: 36915-7

PraderWilli/Angelman Interp: 35466-2

Mayo Access Code


Reviewed Date