# K964442: Valproic Acid Assay for the Technicon Immuno 1 System

- Pathway: 510(k) (Traditional)
- Applicant: Bayer Corp.
- Decided: Dec 18, 1996 after 42 days
- Product code: LEG (Enzyme Immunoassay, Valproic Acid)
- Device class: 2
- Regulation: 21 CFR 862.3645
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) Syva EMIT® Valproic Acid Assay: named in the summary without a submission number

## Indications for use
This in vitro method is intended to quantitatively measure valproic acid, an anticonvulsant drug, in human serum or plasma (heparin) using Syva EMIT® Valproic Acid Assay on a Technicon Immuno-1® system. Measurements of valproic acid are used in the diagnosis and treatment of valproic acid overdose and in monitoring levels of valproic acid to ensure appropriate therapy.

Source page: https://510kreport.com/device/K964442
Methodology: https://510kreport.com/methodology