TH1/TH2 Cytokine Ratio
 Do not send sample to the laboratory between Friday noon and Monday morning.
Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.
Sample type guide