Tests

J

1. JAK2 mutation

2. JAK2 V617F

3. Jaundice - see hepatitis A,B,C and E. Consider CMV, EBV and Toxoplasma

4. Jaundice investigations

5. JC virus PCR Blood

6. JC virus PCR CSF

7. JC virus serology

8. Jo-1 antibody

9. Joint aspirate (culture)