Tests Beginning with J 2 entries
| JAK2B | JAK2 V617F Mutation Detection, Blood Mayo Clinic Laboratories in Rochester |
| JO1 | Jo 1 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester |
| JAK2B | JAK2 V617F Mutation Detection, Blood Mayo Clinic Laboratories in Rochester |
| JO1 | Jo 1 Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester |