Medical Device
Manufacturing
THE TRADE PAPER OF THE FACTORY FLOOR
K833381Substantially Equivalent

Valproic Acid Analytical Test Pack

E.I. Dupont de Nemours & Co., Inc., Mchenry IL / Traditional, Substantially Equivalent

K833381 is the FDA 510(k) clearance record for VALPROIC ACID ANALYTICAL TEST PACK, a class II device, cleared for E.I. Dupont DE Nemours & Co., Inc. on under FDA product code KLR (Enzyme Immunoassay, Lidocaine). FDA records list 253 510(k) clearances for E.I. Dupont DE Nemours & Co., Inc., from to . As of , FDA records show no recalls naming K833381.

Clearance record

Decision date
Received
(89 days to decision)
Product code
KLR Enzyme Immunoassay, Lidocaine
Regulation
21 CFR 862.3555
Device class
Class II
Review panel
Clinical Toxicology
Applicant
E.I. Dupont DE Nemours & Co., Inc. 803 N. Front St. Suite 3, Mchenry IL
Third party review
No

Clearances, product code KLR

Trailing 12 months

FDA records hold no clearances under product code KLR in the trailing twelve months.

FDA records show no clearances under product code KLR in the twelve months to October 2026.
Show the numbers
Monthly 510(k) clearances under FDA product code KLR, trailing twelve months
MonthClearances
November 20250
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 20260