Specimen:

Plasma

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

6 mL whole blood in pink top tube

Rejection Criteria:

Grossly hemolyzed or lipemic specimens

Delivery Instructions:

Deliver to laboratory immediately after collection.

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

2 hours (upon receipt in laboratory)

Reference Range:

cord blood: <3.0 pg/mL
2-20 years: 9-52.0 pg/mL
adults:     10-65 pg/ml

Comments:

Please refer to the Intact PTH figures in the article Highly 
Sensitive Two-Site Immunoradiometric Assay of Parathyrin, and Its 
Clinical Utility in Evaluating Patients with Hypercalcemia found on 
page 1366 of Clinical Chemistry, Vol. 33, No. 8, 1987.

Methodology:

Immunometric Chemiluminescence

CPT Code:

83970