FDA product code KLS: Enzyme Immunoassay, Theophylline

KLS is the FDA product code for enzyme immunoassay, theophylline. It is a Class II device, regulated under 21 CFR 862.3880 and reviewed by the Clinical Toxicology panel. FDA has cleared 71 510(k) submissions under KLS, from 45 different applicants. The average 510(k) review took 69 days (median 48). FDA has posted 8 recalls for KLS devices.

Classification

FieldValue
Device nameEnzyme Immunoassay, Theophylline
Device classClass II
Regulation21 CFR 862.3880
Review panelTX — Clinical Toxicology
Medical specialtyClinical Toxicology
Premarket route510(k)
Third-party 510(k) review eligibleYes

Compare with all 510(k) review times · Search every KLS clearance

Top KLS applicants

ApplicantClearancesLatest
Syva Co.112000-01-27
Abbott Laboratories71994-06-21
E.I. Dupont DE Nemours & Co., Inc.31986-09-25
Diagnostic Products Corp.21995-11-13
Instrumentation Laboratory CO21995-01-18

40 more applicants have KLS clearances. See the full list in Caduvo.

Most recent KLS clearances

510(k)ApplicantDeviceDecision dateReview days
K042520Ortho-Clinical Diagnostics, Inc.VITROS CHEMISTRY PRODUCTS CAFFN REAGENT KIT AND TDM PERFORMANCE VERIFIERS I, II AND III2004-11-3075
K042407Dade Behring, Inc.EMIT CAFFEINE ASSAY2004-10-2855
K020740Roche Diagnostics Corp.ROCHE ONLINE THEOPHYLLINE2002-04-1641
K011771Randox Laboratories, Ltd.RANDOX THEOPHYLLINE2002-01-17225
K013272Bayer Corp.ACS: 180 AND ADVIA CENTAUR THEOPHYLLINE 2 ASSAY2001-10-2524

Recalls for KLS devices

8 product recalls in 6 recall events; 0 initiated in the last five years and 0 still open. Most recent: 2017-11-27.

YearRecalls
20171

Frequently asked questions

What is FDA product code KLS?

KLS is the FDA product code for enzyme immunoassay, theophylline. It is a Class II device, regulated under 21 CFR 862.3880 and reviewed by the Clinical Toxicology panel.

What device class is KLS?

Class II, regulation 21 CFR 862.3880. Typical premarket route: 510(k).

How long does a 510(k) take for product code KLS?

Across 71 cleared submissions the average was 69 days from receipt to decision (median 48).

Which companies have the most KLS clearances?

Syva Co. (11); Abbott Laboratories (7); E.I. Dupont DE Nemours & Co., Inc. (3); Diagnostic Products Corp. (2); Instrumentation Laboratory CO (2).

Have KLS devices been recalled?

Yes: 8 product recalls across 6 recall events; the most recent began 2017-11-27.

Next steps

Source: openFDA device classification, 510(k), PMA, De Novo and recall data (public domain). Review days run from FDA receipt to decision. Not regulatory advice.

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