Thyrotropin Releasing Hormone
Centralized Core Laboratory:Chemistry
PTH-RP and Releasing Factors tube
6.0 mL (minimum 2.0 mL)
Cause for rejection:
Sent to reference lab
Draw blood in special collection tube labeled PTH-RP and Releasing Factors and gently invert the tube twice. Centrifuge refrigerated immediately.
For Outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly).
Reference range: < 5 pg/mL