Inpatient and Outpatient Orderable
Prader Willi/Angelman methylation study
Build info
Synonyms
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- PRADER WILLI/ANGELMAN
- LAB11420
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Short Name
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PRADER WILLI/ANGELMAN
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Procedure Master Number
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LAB11420
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Procedure ID
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115177
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Clinical Info
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Confirmation of diagnosis in patients suspected of having either Prader-Willi syndrome (PWS) or Angelman syndrome (AS) based on clinical assessment or previous laboratory analysis
Prenatal diagnosis in families at risk for PWS or AS
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Specimen Sources
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Blood, Arterial
Blood, Capillary
Blood, Central Line
Blood, Venous
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Specimen Types
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Blood
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Container
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Lavender Top Tube
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Collection Instructions
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Submit only 1 of the following specimens
Specimen Type: Whole blood
Container/Tube: Preferred: Lavender top (EDTA) or yellow top (ACD)Specimen Volume: 3 mL( 1 mL min)
Collection Instructions:1. Invert several times to mix blood.2. Send specimen in original tube.
Specimen Stability: Room Temperature (preferred)/Refrigerated
Prenatal Specimens Due to the complexity of prenatal testing, consultation with the laboratory is required for all prenatal testing.
Specimen Type: Amniotic fluid
Container/Tube: Amniotic fluid container
Specimen Volume: 20 mL(10 mL min)
Specimen Stability Information: Refrigerated
Container/Tube: T-25 flask
Specimen Volume: 2 flasks
Collection Instructions: Submit confluent cultured cells from another laboratory.
Stability Information: Room Temperature
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Transport Instructions
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Specimen Stability
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See above for Specimen Type
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Methodology
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Multiple Ligation-Dependent Probe Amplification (MLPA)
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Days Performed
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TAT: 11- 15 Days
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Performing Laboratory
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Mayo Medical Laboratories
Mayo Test code PWAS
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CPT
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81331
LOINC Code: 35466-2
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PDM
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5906053
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Only Orderable at Locations:
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Orderable Everywhere
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Results
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| Component Name |
Base Name |
Common Name |
External Name |
| RESULT SUMMARY PRADER WILLI |
RESSUMPRWI |
RESULT SUMMARY PRADER WILLI |
Result Summary Prader Willi |
| RESULT PRADER WILLI |
RESULTPRWI |
RESULT PRADER WILLI |
Result Prader Willi |
| INTERP PRADER WILLI |
PRADERWILLI |
INTERP PRADER WILLI |
Interp Prader Willi |
| REASON FOR REFERRAL PRADER WILLI |
RSNREF |
REASON FOR REFERRAL PRADER WILLI |
Reason For Referral Prader Willi |
| SPECIMEN PRADER WILLI |
SPECIMENPRWI |
SPECIMEN PRADER WILLI |
Specimen Prader Willi |
| RELEASED BY PWILLI |
RELEASEDBYPW |
RELEASED BY PWILLI |
Released By Pwilli |
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Forms
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