U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
(a) Identification. A fetal blood sampler is a device used to obtain fetal blood transcervically through an endoscope by puncturing the fetal skin with a short blade and drawing blood into a heparinized tube. The fetal blood pH is determined and used in the diagnosis of fetal distress and fetal hypoxia.
(b) Classification. Class II (performance standards).