| M042 | M. hominis/U. urealyticum ID & ST 人支原體/尿素原體鑑定及葯物敏感測試 |
| R044A | Macroprolactin (by ECL) |
| U002 | Macroscopic, Urine 尿液目檢 |
| B037 | Magnesium 鎂, 血清 |
| Y623 | Magnesium RBC 鎂, 紅血球 |
| U047 | Magnesium, 24 hr Urine 鎂, 24小時尿液 |
| UK013 | Malarial Antibodies (Pl. falciparum) [MALA] |
| UK013A | Malarial Antibodies (Species specific) [MALS] |
| H056 | Malarial Parasites 瘧疾原蟲塗片 |
| Y37966 | Manganese, 24 hr Urine 錳, 24小時尿液 |
| Y626 | Manganese, Blood 錳, 全血 |
| Y16594 | Manganese, RBC 錳, 紅血球 |
| Y951 | Manganese, Serum 錳, 血清 |
| UK075 | Marfan Syndrome [GENE] |
| Y26514 | Marijuana Metabolite, Quantitative, Urine |
| Y91237 | Matrix Metalloproteinase-9 (MMP-9) |
| UK177 | Maturity-Onset Diabetes of the Young NGS P [GENE] |
| P047 | Measle (Rubeola) IgG & IgM |
| H002 | Measles (Rubeola) IgG Ab (by CL) 麻疹病毒IgG抗體 |
| H002P | Measles (Rubeola) IgG Ab (by CL) 麻疹病毒IgG抗體 |