Synonyms
|
|
Allscripts (AEHR) Order Name
|
Not
Orderable
|
Sunrise Clinical Manager (SCM) Order Name
|
Sickle Cell Anemia DNA, Fetus
|
Clinical Info
|
Direct detection of hemoglobin A, S, and C. This test is most useful for prenatal diagnosis of an at-risk fetus. This test can also be used for diagnosis of a symptomatic patient or carrier testing for a healthy adult.
|
Specimen Type
|
|
Container
|
Sterile
|
Collection Instructions
|
Container/Tube: Sterile leak-proof container
Specimen:
20 mL amniotic fluid collected in sterile transport tube, or
30 mg direct chorionic villi, or
20 mL amniotic fluid collected in each of two T-25 flasks, or
20 mL cultured cells collected in each of two T-25 flasks
Minimum Volume
10 mL amniotic fluid • 15 mg chorionic villi • 10 mL cultured cells
Transport Temperature: Room Temperature
Stability: Room temperature: 48 hours Refrigerated: Unacceptable Frozen: Unacceptable
Collection Instructions
Amniotic fluid: Collect 10-20 cc of amniotic fluid in a sterile plastic container.
Chorionic Villus Sample (CVS): Collect 15-30 mg of chorionic villi in a sterile container. Add 2-3 mL of sterile saline or tissue culture medium.
Cultured Cells: Ship two 100% confluent T-25 flasks filled with growth media. Ship at room temperature. Do not refrigerate or freeze. Call lab for additional requirements for prenatal testing. Indicate source of cells: Amniotic Fluid (AF) or Chorionic Villus Sample (CVS).
Please send Maternal Cell Contamination Study, with this test. A separate tube of maternal blood (EDTA) must be drawn in order to rule out maternal contamination of the fetal sample
|
Transport Instructions
|
Room Temperature
|
Specimen Stability
|
Room temperature: 48 hours Refrigerated: Unacceptable Frozen: Unacceptable
Collection Instructions
Amniotic fluid: Collect 10-20 cc of amniotic fluid in a sterile plastic container.
Chorionic Villus Sam
|
Methodology
|
Polymerase Chain Reaction (PCR)
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
|
Days Performed
|
|
Performing Laboratory
|
Quest Diagnostics' Nichols Institute, Inc. - Chantilly
|
CPT
|
81361
88235
LOINC Code: 21689-5
|
PDM
|
1759576
|
Result Interpretation
See Reference Report
TAT: 35 Days after set up (as needed 2 times per week)
|
Forms
|
|
