NIPT prenatal DNA test cost in Williston, ND
In Williston, ND, 1 hospital lists a cash price for prenatal cell-free DNA screen for trisomy 21, 18 and 13 (NIPT): from $811.42 to $811.42, with a median of $811.42. Across North Dakota, the median is $956.41 at 5 hospitals.
Cash prices at 1 facility for code 81420, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Williston, ND.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mercy Medical Center lowest Williston, ND · (701) 774-7400 PRENATAL ANEUPLOIDY W/ SEX | $811.42 | $1,399.00 | $759.05–$1,315.06 | 42% | Feb 28, 2026 source file |
| Mercy Medical Center Williston, ND · (701) 774-7400 MATERNIT21 | $1,320.66 | $2,277.00 | $759.05–$2,140.38 | 42% | Feb 28, 2026 source file |
| Mercy Medical Center Williston, ND · (701) 774-7400 NON INV PRENATAL SCREENING | $1,320.75 | $2,277.15 | $759.05–$2,140.53 | 42% | Feb 28, 2026 source file |
Outpatient: lowest $811.42, median $811.42, highest $811.42.
As an inpatient, the same code is billed by 1 facility here, median $811.42. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
NIPT analyzes fragments of fetal DNA that circulate in the mother's blood to screen for Down syndrome (trisomy 21) and trisomies 18 and 13. It can be done from about 10 weeks of pregnancy. It is a screening test, so a positive result needs a diagnostic test to confirm.
What the price covers
The price usually covers the DNA analysis of one blood sample. The blood draw, genetic counseling and any added screens, such as sex chromosomes or microdeletions, may be billed separately.