| Abbott | AxSYM Homocysteine | | Method: FPIA |
| Abbott | Architect Homocysteine | | Method: CMIA |
| Abbott | IMx Homocysteine | | Method: MEIA and FPIA |
| Axis Shield | Axis Homocysteine | | Method: EIA |
| Biorad | Homocysteine Assay | | Method: HPLC/ Fluorescence detection or EIA |
| Chromsystems | Homocysteine | | Method: HPLC/ Fluorescence detection |
| DiaSys | Homocysteine FS | | Method: Enzymatic |
| Diazyme | Enzymatic Homocysteine (2 Reagent) | | Method: Enzymatic |
| Diazyme | Enzymatic Homocysteine (3 Reagent) | | Method: Enzymatic |
| Eurolyser | Homocysteine test | | Method: Enzymatic |
| Ortho Clinical Diagnostics | Vitros Homocysteine | | Method: Enzymatic |
| Recipe | ClinRep Homocysteine | | Method: HPLC/ Fluorescence detection |
| Roche | Homocysteine | Roche Homocysteine | Method: Enzymatic |
| Sentinel Diagnostics | Homocysteine Liquid | | Method: Enzymatic |
| Shimadzu | Homocysteine | | Method: HPLC/ Fluorescence detection |
| Siemens Healthineers | Advia Centaur Homocysteine | Siemens Advia Centaur Homocysteine | Method: EIA |
| Siemens Healthineers | Atellica Homocysteine | Siemens Atellica Homocysteine | Method: CLIA |
| Siemens Healthineers | Dimension Vista Homocysteine | Siemens Dimension Vista Homocysteine | Method: CLIA |
| Siemens Healthineers | Immulite Homocysteine | Siemens Immulite Homocysteine | Method: EIA |
| Werfen | HemosIL Homocysteine | Werfen HemosIL Homocysteine | Method: LIA |