| Magnesium (K181748) | Abbott Laboratories | 2018-09-12 |
| Magnesium (K173294) | Abbott Laboratories | 2018-05-18 |
| Randox RX Daytona Plus Magnesium (MG) (K162200) | Randox Laboratories, Ltd. | 2017-04-28 |
| Atellica CH Magnesium (Mg) (K162399) | Siemens Healthcare Diagnostics, Inc. | 2017-01-19 |
| ACE MAGNESIUM REGENT (K122302) | Alfa Wassermann Diagnostics Technologies, LLC | 2012-08-27 |
| MAGNESIUM ASSAY (K111915) | Sekisui Diagnostics P.E.I., Inc. | 2011-12-02 |
| EASYRA MG REAGENT, MODEL 10220 (K092737) | Medica Corp. | 2009-11-17 |
| PICCOLO MAGNESIUM TEST SYSTEM (K091910) | Abaxis, Inc. | 2009-10-01 |
| MAGNESIUM ASSAY (XB), MODELS 125-12, 125-50 AND 125-S7 (K063208) | Diagnostic Chemicals , Ltd. | 2007-01-19 |
| VITALAB MAGNESIUM REAGENT (K040508) | Clinical Data, Inc. | 2004-03-08 |
| PICCOLO MAGNESIUM TEST SYSTEM (K040115) | Abaxis, Inc. | 2004-01-30 |
| ATAC PAK MAGNESIUM REAGENT (K030010) | Elan Diagnostics | 2003-03-10 |
| WIENER LAB.MG-COLOR AA, MODEL 2X50 ML CAT. N 1580001 (K012326) | Wiener Laboratories Saic | 2001-11-08 |
| JAS MAGNESIUM REAGENT (K003835) | Jas Diagnostics, Inc. | 2001-03-23 |
| MAGNESIUM PRODUCT NO'S, 112-01, 112-02 (K991761) | A.P. Total Care, Inc. | 1999-09-02 |
| CARESIDE MG (K991717) | Careside, Inc. | 1999-08-10 |
| MG (K981791) | Abbott Laboratories | 1998-10-23 |
| ROCHE DIAGNOSTICS MAGNESIUM REAGENT, CAT# 1551353 (K983416) | Boehringer Mannheim Corp. | 1998-10-21 |
| MG (K981192) | Abbott Laboratories | 1998-05-01 |
| RANDOX MAGNESIUM (K974606) | Randox Laboratories, Ltd. | 1998-02-12 |
| MAGNESIUM (K964915) | Derma Media Lab., Inc. | 1997-03-26 |
| MAGNESIUM REAGENT (K952426) | Schiapparelli Biosystems, Inc. | 1995-08-07 |
| MAGNESIUM QVET (K943001) | Prisma Systems | 1994-12-29 |
| OLYMPUS MAGNESIUM REAGENT (K944407) | Olympus America, Inc. | 1994-12-27 |
| ABBOTT A-GENT LIQUID MAGNESIUM REAGENT, MODIFIED (K944202) | Abbott Laboratories | 1994-11-14 |
| EMDS MAGNESIUM (MG) TEST (K935183) | Em Diagnostic Systems, Inc. | 1993-12-09 |
| IN-VITRO DIAGNOSTIC REAGENT SET (K930074) | Horizon Diagnostics, Inc. | 1993-05-11 |
| URINE MAGNESIUM METHOD FOR TECHNICON CHEM SYSTEMS (K926144) | Heraeus Kulzer, Inc. | 1993-01-27 |
| OLYMPUS MAGNESIUM REAGENT (K924658) | Olympus Corp. | 1992-10-19 |
| KING DIAGNOSTICS MAGNESIUM REAGENT (K923927) | King Diagnostics, Inc. | 1992-09-30 |
| OLYMPUS MAGNESIUM REAGENT (K923411) | Olympus Corp. | 1992-08-18 |
| BIOTROL MAGNESIUM (MAGON) (K921677) | Biotrol, USA, Inc. | 1992-05-26 |
| TRACE MAGNESIUM - ARSENAZO REAGENT (K920603) | Trace America, Inc. | 1992-03-11 |
| ABBOTT QUICKSTART MAGNESIUM TEST, ITEM #5A32 (K913764) | Em Diagnostic Systems, Inc. | 1991-11-05 |
| MAGNESIUM ASSAY KIT, CAT.# 100-12 (K912825) | Diagnostic Chemicals, Ltd. (Usa) | 1991-07-26 |
| MODULE: NOVA NUCLEUS TMG MODULE FLUID PACK (K912321) | Nova Biomedical Corp. | 1991-06-17 |
| MAGNESIUM REAGENT (K905544) | Amresco, Inc. | 1990-12-27 |
| TECHNICON CHEM I SYSTEM MAGNESIUM METHOD (K903306) | Technicon Instruments Corp. | 1990-08-29 |
| MAGNESIUM (K903341) | Catachem, Inc. | 1990-08-22 |
| SYNERMED MAGNESIUM REAGENT KIT (K902919) | Synermed, Inc. | 1990-07-31 |
| ROCHE REAGENT FOR MAGNESIUM (K901758) | Roche Diagnostic Systems, Inc. | 1990-05-23 |
| CHEM I CLINICAL ANALYZER URINE MAGNESIUM (K901124) | Technicon Instruments Corp. | 1990-05-14 |
| COULTER MAGNESIUM REAGENT (K901265) | Coulter Corp. | 1990-03-29 |
| MAGNESIUM TEST ITEM NUMBER: 65419 (K894508) | Em Diagnostic Systems, Inc. | 1989-08-31 |
| REVISED MAGNESIUM TEST ITEM NUMBER: SR1019 (K890798) | Em Diagnostic Systems, Inc. | 1989-03-31 |
| MAGNESIUM REAGENT (K891355) | Medical Analysis Systems, Inc. | 1989-03-28 |
| STANBIO MAGNESIUM TEST SET, CAT. NO 0130 (K883170) | Stanbio Laboratory | 1989-02-07 |
| BECKMAN LIQUID-STAT MAGNESIUM REAGENT & STANDARD (K883967) | Beckman Instruments, Inc. | 1989-01-27 |
| TECHNICON SYSTEM RA-100/ASSIST MAGNESIUM (K884600) | Technicon Instruments Corp. | 1989-01-23 |
| MAGNESIUM TEST ITEM NUMBER: SR1019 (K885022) | Em Diagnostic Systems, Inc. | 1989-01-17 |
| MAGNESIUM REAGENT (MAGON SULFONATE) (K883972) | Sigma Chemical Co. | 1988-11-10 |
| TECHNICON RA(TM) SYSTEMS - MAGNESIUM (K883326) | Technicon Instruments Corp. | 1988-10-13 |
| MAGNESIUM REAGENT SET (K882256) | Tech-Neal Scientific, Inc. | 1988-08-08 |
| RAICHEM(TM) MAGNESIUM REAGENT, ENZYMATIC (K880880) | Reagents Applications, Inc. | 1988-05-27 |
| MAGNESIUM LIQUID STABLE REAGENT SET (K881300) | Medical Analysis Systems, Inc. | 1988-05-17 |
| USE OF TECHNICON RA SYSTEMS REAGENTS ON ASSIST(R) (K874506) | Technicon Instruments Corp. | 1988-01-22 |
| MULTICHEM (R) MAGNESIUM REAGENT (K874595) | Simmler, Inc. | 1988-01-21 |
| RAICHEM(TM) MAGNESIUM REAGENT (K874822) | Reagents Applications, Inc. | 1988-01-21 |
| KODAK EKTACHEM DT SLIDES (MG) (K874576) | Eastman Kodak Company | 1988-01-21 |
| MAGNESIUM (K874847) | Tech-Co, Inc. | 1987-12-18 |
| PARAMAX MAGNESIUM REAGENT (K873530) | Baxter Healthcare Corp | 1987-12-14 |
| BIOTROL MAGNESIUM CALMAGITE (K873180) | Biotrol, USA, Inc. | 1987-09-02 |
| MAGNESIUM REAGENT - CALMAGITE METHOD (K870370) | Trace Scientific , Ltd. | 1987-08-19 |
| ABBOTT A-GENT LIQUID MAGNESIUM REAGENT (K872311) | Abbott Laboratories | 1987-07-09 |
| EASY-TEST MAGNESIUM (MG) ITEM NO. 16XXX (K870553) | Em Diagnostic Systems, Inc. | 1987-03-06 |
| MAGNESIOMETER (K863069) | J. D. Assoc. | 1986-12-31 |
| KODAK EKTACHEM CLINICAL CHEMISTRY SLIDES (MG) (K861386) | Eastman Kodak Company | 1986-08-26 |
| EMDS(TM) MAGNESIUM TESTPACKS, #67671/95 (K863002) | Em Diagnostic Systems, Inc. | 1986-08-19 |
| MAGNESIUM PROCEDURE (K861668) | Data Medical Associates, Inc. | 1986-05-27 |
| MAGNESIUM REAGENT SET (K855190) | Technostics Intl. | 1986-02-18 |
| MAGNESIUM REAGENT SET (K860215) | Sterling Diagnostics, Inc. | 1986-02-11 |
| TECHNICON CHEM 1 SYS ANALYTES MAGNESIUM GGT, URIC (K853853) | Technicon Instruments Corp. | 1985-10-03 |
| MAGNESIUM (K853592) | Pointe Scientific, Inc., | 1985-09-16 |
| MG REAGENT (K852005) | Alpkem Corp. | 1985-06-25 |
| DEMAND MAGNESIUM (K851657) | Cooper Biomedical, Inc. | 1985-05-10 |
| MAGNESIUM REAGENT FOR DEMAND ANALYZER (K850381) | Advanced Biomedical Methods, Inc. | 1985-03-01 |
| DATA-CHEM MAGNESIUM (K844278) | Data Medical Associates, Inc. | 1985-01-08 |
| MAGNESIUM REAGENT SET (K843893) | Livonia Diagnostics, Inc. | 1984-10-30 |
| MAGNESIUM ASSAY KIT (K843031) | Diagnostic Chemicals, Ltd. (Usa) | 1984-08-27 |
| DETERMINATION OF MAGNESIUM IN SERUM OR (K841259) | Sigma Chemical Co. | 1984-05-07 |
| PARAMAX MAGNESIUM REAGENT (K840784) | American Dade | 1984-04-13 |
| MAGNESIUM B TEST (K834075) | Wako Chemicals USA, Inc. | 1984-02-03 |
| MEGNESIUM REAGENT KIT (K821102) | Anco Medical Reagents & Assoc. | 1982-05-05 |
| GIL CHEM MAGNESIUM REAGENT (K820976) | Gilford Diagnostics | 1982-04-26 |
| MAGNESIUM KIT (K810084) | Bio-Analytics Laboratories, Inc. | 1981-01-26 |
| MAGNESIUM TEST KIT (K803088) | Mallinckrodt Critical Care | 1981-01-02 |
| AMERICAN MONITOR MAGNESIUM #'S 1036&4021 (K802091) | American Monitor Corp. | 1980-10-10 |
| MAGNESIUM REAGENT (K800327) | Alta Diagnostics, Inc. | 1980-03-25 |
| ELVI MAGNESIUM (K792399) | Volu Sol Medical Industries | 1979-12-07 |
| MULTISTAT III MAGNESIUM TEST (K771469) | Instrumentation Laboratory CO | 1977-09-12 |