Tests Beginning with J 2 entries
| JCPCR | JC Virus, Molecular Detection, PCR, Spinal Fluid Mayo Clinic Laboratories in Rochester |
| JO1 | Jo 1 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester |
| JCPCR | JC Virus, Molecular Detection, PCR, Spinal Fluid Mayo Clinic Laboratories in Rochester |
| JO1 | Jo 1 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester |