Connect Sign In
3006247
Angelman Syndrome and Prader-Willi Syndrome by Methylation-Specific MLPA
AS-PWS DD
Ordering Recommendation
Preferred initial diagnostic test for Angelman syndrome or Prader-Willi syndrome.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Lavender (EDTA), pink (K2EDTA)
Specimen Preparation
Transport 3 mL whole blood (Min: 1mL)
Storage/Transport Temperature
Whole Blood: Refrigerated. Also acceptable: Ambient.
Unacceptable Conditions
Transfused whole blood, severely hemolyzed whole blood, heparinized whole blood, frozen whole blood.
Remarks
Stability
Whole Blood: Room temperature: 1 week; Refrigerated: 1 month; Frozen: unacceptable.
Methodology
Methylation-Specific Multiplex Ligation-Dependent Probe Amplification (MS-MLPA)
Performed
Varies
Reported
12-14 days
Reference Interval
By Report
Interpretive Data
Refer to report.
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
81331
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3006248 | AS-PWS Specimen | 66746-9 |
| 3006249 | AS-PWS Interpretation | 41117-3 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Prader-Labhart-Willi Syndrome
Angelman Syndrome and Prader-Willi Syndrome by Methylation-Specific MLPA
