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  • Outstanding precision: UK NEQAS data 2003-2017 proof mean CV of 3.1%
  • Kinetic reading – leading to automatic rediluting of high samples within 4 min
  • In routine use by FMF since 1999


Clinical indication

B·R·A·H·M·S PAPP-A KRYPTOR assay is indicated to be used in conjunction with additional clinical data as an aid in assessing the risk of fetal trisomy 21, 18 and 13, and the risk for developing pre-eclampsia in first trimester screening of pregnant women.


Ease of handling

Sample volume 50 µL
Sample type Serum
Incubation time 19 min
Direct measuring range 0.004 to 6 IU/L
Measuring range 0.004 to 90 IU/L
Detection limit 0.004 IU/L
Kit stability on board 29 days
Calibrator 1 point
Calibration stability 15 days


Excellent precision

Our B·R·A·H·M·S PAPP-A KRYPTOR assay offers highly precise measurements and a consistent and excellent long-term performance, therefore making KRYPTOR platform the instrument of choice in first trimester screening.



B·R·A·H·M·S PAPP-A KRYPTOR is available on:


Kit and accessories

Article number Description


Kit, reagents for 75 determinations



Calibrator kit, 6 vials



Control kit prenatal screening, 3 levels (2 vials per level)


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Further links on prenatal screening products and assays