PARATHYROID HARMONE (PTH)
Test:
314
CPT:
83970
Synonyms
Parathyroid Hormone (PTH), Intact, PTH Whole Molecule
Special Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Expected Turnaround Time
Within 1 day
Specimen Requirements
Specimen
Within 1 day
Volume
1.5 mL
Minimum Volume
0.7 mL (Note: This volume does not allow for repeat testing.)
Container
Collection
Storage Instructions
Causes for Rejection
Citrate plasma specimen; improper labeling