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The MaterniT21 PLUS test is a comprehensive NIPT for the analysis of chromosomal regions including trisomies 21, 18, and 13, for pregnancies at increased risk of fetal abnormalitites.
While the results of these tests are highly accurate, discordant results, including inaccurate fetal sex prediction, may occur due to placental, maternal, or fetal mosaicism or neoplasm; vanishing twin; prior maternal organ transplant; or other causes. Cell-free DNA (cfDNA) testing does not replace the accuracy and precision of prenatal diagnosis with CVS or amniocentesis. A patient with a positive or high risk score test result should be referred for genetic counseling and tests are not intended to identify pregnancies at risk for neural tube defects or ventral wall defects. cfDNA testing for whole chromosome abnormalities (including sex chromosomes) and for subchromosomal abnormalities could lead to the potential discovery of both fetal and maternal genomic abnormalities that could have minor or no clinical significance.
Evaluating the significance of a positive or nonreportable test result may involve both invasive prenatal testing and additional studies on the mother. Such investigations may lead to a diagnosis of maternal chromosomal or subchromosomal abnormalities, which on occasion may be associated with benign or malignant maternal neoplasms. cfDNA testing may not accurately identify fetal triploidy, balanced rearrangements, or the precise locations of subchromosomal duplications or deletions; these may be detected by prenatal diagnosis with CVS or amniocentesis. The ability to report results may be impacted by maternal body mass index (BMI), maternal weight, and/or maternal systemic lupus erythematosus (SLE). The results of this testing, including the benefits and limitations, should be discussed with a qualified health care provider. Pregnancy management decisions, including termination of the pregnancy, should not be based on the results of this test alone.
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
Cell-free DNA is isolated from the sample and analyzed using massively parallel sequencing technology.
(2) 10 mL
Only the Sequenom collection kit PS#116373 can be used for collection.
Room temperature. Do not refrigerate or freeze. Keep out of direct sunlight. Samples must be shipped to LabCorp in a Sequenom collection kit.
Causes for Rejection
Gestational age less than nine weeks; expired or incorrect blood tubes (including nonglass tubes); quantity not sufficient for analysis; received more than seven days from collections; excessive hemolysis; frozen specimens
The following information must be provided with the test request form: patient's date of birth, gestational age, additional patient demographic information, pregnancy type (singleton or multiple), donor egg status and the clinical indications (including advanced maternal age, abnormal ultrasound, history suggestive of increased risk for aneuploidy, positive serum screen, or other indications).
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|451951||MaterniT21 PLUS Core NO Gender||821805||Chromosome 21||75983-7|
|451951||MaterniT21 PLUS Core NO Gender||821806||Chromosome 18||75982-9|
|451951||MaterniT21 PLUS Core NO Gender||821807||Chromosome 13||75981-1|
|451951||MaterniT21 PLUS Core NO Gender||821808||Interpretation||75975-3|
|451951||MaterniT21 PLUS Core NO Gender||821809||Y Chromosome||77021-4|
|451951||MaterniT21 PLUS Core NO Gender||821810||Y Chromosome Interpretation||77020-6|
|451951||MaterniT21 PLUS Core NO Gender||821811||Additional Findings||8251-1|
|451951||MaterniT21 PLUS Core NO Gender||821812||Add'l Findings Interpretation||8262-8|
|451951||MaterniT21 PLUS Core NO Gender||821813||Additional Findings Note||8264-4|
|451951||MaterniT21 PLUS Core NO Gender||821814||Lab Director Comments||75605-6|
|451951||MaterniT21 PLUS Core NO Gender||821815||Approved By||72486-4|
|451951||MaterniT21 PLUS Core NO Gender||821816||Test Method||49549-9|
|451951||MaterniT21 PLUS Core NO Gender||821817||About the Test||77202-0|
|451951||MaterniT21 PLUS Core NO Gender||821818||Performance||62364-5|
|451951||MaterniT21 PLUS Core NO Gender||821821||Performance Data||62364-5|
|451951||MaterniT21 PLUS Core NO Gender||821822||Limitations of the Test||N/A|
|451951||MaterniT21 PLUS Core NO Gender||821823||Note||N/A|
|451951||MaterniT21 PLUS Core NO Gender||821824||References||75608-0|
|451951||MaterniT21 PLUS Core NO Gender||821825||51969-4|