| SYNCHRON SYSTEMS CHOLINESTERASE (CHEX) MODEL A53722 (K103373) | Beckman Coulter, Inc. | 2011-02-07 |
| CHOLINESTERASE GEN.2 TEST SYSTEM (K061093) | Roche Diagnostics Corp. | 2006-07-03 |
| SENTINEL CHOLINESTERASE LIQUID (K051444) | Sentinel Ch. Srl | 2005-06-20 |
| OLYMPUS CHOLINESTERASE REAGENT (CATALOG NUMBER OSR6114) (K030045) | Olympus America, Inc. | 2003-02-21 |
| WIENER LAB COLINESTERASA AA (K023992) | Wiener Laboratories Saic | 2003-02-12 |
| ADVIA 1650 CHOLINESTERASE ASSAY (K013750) | Bayer Diagnostics Corp. | 2002-01-18 |
| CARESIDE CHOLINESTERASE (K002792) | Careside, Inc. | 2000-11-08 |
| ADVIA IMS (K001344) | Bayer Corp. | 2000-06-26 |
| TEST-MATE CHE CHOLINESTERASE TEST SYSTEM (K961656) | Eqm Research, Inc. | 1996-11-26 |
| IL TEST CHOLINESTERASE (K943367) | Instrumentation Laboratory CO | 1996-02-05 |
| CHOLINESTERASE ASSAY KIT, CATALOGUE# 300-05 (K955498) | Diagnostic Chemicals , Ltd. | 1996-01-24 |
| IN VITRO DIAGNOSTIC REGEANT SET,CHOLINESTERASE (K914171) | Tech Intl. Co. | 1991-12-18 |
| KODAK EKTACHEM DT SLIDES (CHE) (K913198) | Eastman Kodak Company | 1991-08-26 |
| CHOLINESTERASE TEST KIT (K912148) | Crestat Diagnostics, Inc. | 1991-08-12 |
| KODAK EKTACHEM CLINICAL CHEMISTRY SLIDES (K912217) | Eastman Kodak Company | 1991-07-01 |
| BECKMAN CHOLINESTERASE REAGENT KIT (K893583) | Beckman | 1989-08-15 |
| CHOLINESTERASE REAGENT, DIBUCAINE & FLUORIDE (K885272) | Sigma Chemical Co. | 1989-03-28 |
| CHOLINESTERASE - ACETYTHIOCHOLINE SUBSTRATE (K880199) | Sclavo, Inc. | 1989-01-27 |
| ATYPICAL CHOLINESTERASE (K873496) | Sclavo, Inc. | 1989-01-27 |
| CHOLINESTERASE - BUTYRYTHIOCHOLINE SUBSTRATE (K880049) | Sclavo, Inc. | 1989-01-27 |
| DU PONT DIMENSION PSEUDOCHOLINESTERASE METHOD (K883890) | E.I. Dupont DE Nemours & Co., Inc. | 1988-11-29 |
| CHOLINESTERASE (BTC) REAGENT (K863203) | Sigma Diagnostics, Inc. | 1986-09-17 |
| CHOLINESTERASE (PTC) REAGENT (K863202) | Sigma Diagnostics, Inc. | 1986-09-16 |
| CHOLINESTERASE (K863111) | J. D. Assoc. | 1986-09-11 |
| RAICHEM CHOLINESTERASE REAGENT (K862168) | Reagents Applications, Inc. | 1986-06-27 |
| CHOLINESTERASE REAGENT (K791725) | Gilford Diagnostics | 1979-10-17 |