Prader-Willi Syndrome
| Order Code: | PW |
| Epic Lab Code: | LAB2483 |
| Order Form: | A-1a Molecular Pathology/Diagnostics or Epic Req |
Molecular Pathology
6004 BT GH
384-9568
6004 BT GH
384-9568
Specimen:
Whole Blood
Collection Medium:
 |
| Lavender top tube 3 mL (EDTA) |
Minimum:
Adults - 3 mL whole blood in lavender top tube (EDTA)
Children - 2 mL whole blood in lavender top tube (EDTA)
Testing on smaller volumes than those requested will be attempted.
However, in some cases, small blood volumes may compromise the ability
to perform testing.
Testing requires a dedicated collection tube.
Delivery Instructions:
Room temperature up to 24 hours. Refrigerate overnight,
weekends and holidays.
Testing Schedule:
Weekly
Analytic Time:
21 days
Reference Range:
Prader-Willi syndrome - absent paternal 15q12
Methodology:
Southern Blot (Methylation detection)
CPT Code:
83890, 83892, 83894, 83896, 83897, 83912
See also:
Angelman Syndrome, Whole Blood
Angelman Syndrome, Whole Blood