MaterniT21 is not the same as NIPT, but it is one specific brand of NIPT. Think of it like this: NIPT (noninvasive prenatal testing) is the category, and MaterniT21 PLUS is one product within that category. Other brands include Panorama, Harmony, and informaSeq. They all fall under the NIPT umbrella but differ in what they screen for, how they process results, and which lab runs them.
What NIPT Actually Is
NIPT is a prenatal screening test performed through a simple blood draw from the pregnant person’s arm. During pregnancy, small fragments of DNA from the placenta circulate in the mother’s bloodstream. NIPT analyzes those fragments to estimate the chance that a baby has certain chromosomal conditions, most commonly Down syndrome (trisomy 21), Edwards syndrome (trisomy 18), and Patau syndrome (trisomy 13). Several different companies offer their own version of this test, each with a distinct brand name and slightly different technology or panel of conditions screened.
Where MaterniT21 PLUS Fits In
MaterniT21 PLUS is the NIPT product made by Labcorp. It uses a technique called massively parallel sequencing, which reads millions of DNA fragments from a blood sample to detect whether any chromosomes are over- or underrepresented. That pattern signals increased risk for specific conditions.
What sets MaterniT21 PLUS apart from some competing NIPTs is its reported reliability across a wider range of pregnancies. Labcorp states the test performs consistently regardless of maternal weight, method of conception (including IVF with donor eggs), or whether you’re carrying twins or higher-order multiples. Not all NIPT brands make that claim, so if any of those factors apply to you, it’s worth asking your provider which test they’re ordering and whether it’s validated for your situation.
What MaterniT21 PLUS Screens For
The test screens for the three most common trisomies (21, 18, and 13), sex chromosome differences, and certain other chromosomal abnormalities. It can also report fetal sex if you choose to know. Like every NIPT, it is a screening test, not a diagnostic one. That’s an important distinction: a “high risk” result means there’s an increased chance of a condition, not a confirmed diagnosis. A diagnostic procedure like amniocentesis or chorionic villus sampling (CVS) would be needed to confirm any positive screen.
A “low risk” result is reassuring but does not guarantee the baby is unaffected. No screening test catches every case.
When You Can Take the Test
MaterniT21 PLUS can be performed as early as 9 weeks of gestation. That’s roughly in line with other NIPT brands, most of which require at least 9 or 10 weeks so enough placental DNA is circulating to produce a reliable result. If a blood draw happens too early and the fetal DNA fraction is too low, the lab may return a “no result” and ask for a redraw a week or two later.
Results typically come back 5 to 7 days after the sample arrives at the lab. Your provider’s office will contact you, or in many cases you can access results through Labcorp’s online patient portal.
How Different NIPT Brands Compare
All NIPTs aim to do the same core job, but they aren’t identical. Here are the main ways they can differ:
- Technology: MaterniT21 PLUS uses whole-genome sequencing of cell-free DNA. Some competitors, like Panorama, use a targeted approach that looks at specific DNA markers (single-nucleotide polymorphisms). Neither method is universally “better,” but each has trade-offs in how they handle edge cases like egg donor pregnancies or vanishing twins.
- Conditions screened: The basic trisomy panel is similar across brands, but expanded panels vary. Some include microdeletions (small missing pieces of chromosomes), while others offer that as an add-on or don’t include it at all.
- Lab and logistics: MaterniT21 PLUS is processed exclusively by Labcorp. Panorama is run by Natera. Harmony is associated with Roche. Your provider’s office may have a default relationship with one lab, which often determines which brand you end up getting.
- Cost and insurance: Pricing varies by insurer, plan, and whether the test is considered medically indicated for your pregnancy. Labcorp offers a cost estimator tool on their website, and you can call their billing line at 844-799-3243 for a personalized estimate. Out-of-pocket costs across all NIPT brands can range from under $100 to several hundred dollars depending on coverage.
Why Your Provider Might Choose One Over Another
In many cases, your OB or midwife simply orders whichever NIPT their practice has a standing account with. If you have a preference, or if your pregnancy involves factors like IVF, egg donation, or multiples, it’s reasonable to ask which specific brand is being ordered and whether it’s validated for your circumstances. Some tests handle those scenarios better than others.
The clinical performance of major NIPT brands for the common trisomies is generally high across the board, with detection rates above 99% for Down syndrome in most published studies. Where differences emerge is in expanded screening panels, failure rates (how often the test can’t return a result), and how well the test performs in lower-risk or younger populations. Your provider can help weigh those factors against your personal risk profile and preferences.