(a) Identification.
A vitamin D test system is a device intended for use in clinical laboratories for the quantitative determination of 25-hydroxyvitamin D (25-OH-D) and other hydroxylated metabolites of vitamin D in serum or plasma to be used in the assessment of vitamin D sufficiency.
(b) Classification.
Class II (special controls). Vitamin D test systems must comply with the following special controls:
(1)
Labeling in conformance with 21 CFR 809.10 and
(2)
Compliance with existing standards of the National Committee on Clinical Laboratory Standards.
Code of Federal Regulations
[63 FR 40366, July 29, 1998]