510(K) CLEARANCES 84 ▲14RECALLS POSTED 39 ▲27CLASS I 6 ▲2PMA DECISIONS 47 ▲11WEEK ENDING / FDA DATA AS OF
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K821544Substantially Equivalent

Detection of Theophylline

Electro-Nucleonics Laboratories, Inc., Mchenry IL / Traditional, Substantially Equivalent
FDA source (opens on fda.gov)

K821544 is the FDA 510(k) clearance record for DETECTION OF THEOPHYLLINE, a class II device, cleared for Electro-Nucleonics Laboratories, Inc. on under FDA product code KLS (Enzyme Immunoassay, Theophylline). FDA records list 41 510(k) clearances for Electro-Nucleonics Laboratories, Inc., from to . As of , FDA records show no recalls naming K821544.

Clearance record

Decision date
Received
(17 days to decision)
Product code
KLS Enzyme Immunoassay, Theophylline
Regulation
21 CFR 862.3880
Device class
Class II
Review panel
Clinical Toxicology
Applicant
Electro-Nucleonics Laboratories, Inc. 803 N. Front St. Suite 3, Mchenry IL
Third party review
No

Clearances, product code KLS

Trailing 12 months

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

FDA records show no clearances under product code KLS in the twelve months to October 2026.
Show the numbers
Monthly 510(k) clearances under FDA product code KLS, 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