Ordering Recommendation

Methodology

Quantitative Electrochemiluminescent Immunoassay (ECLIA)

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Lavender (K2 or K3 EDTA) or pink (K2 EDTA). Also acceptable: Serum Separator Tube (SST).

Specimen Preparation

Allow serum specimen to clot fully at room temperature and centrifuge immediately. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Frozen. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Body Fluid (refer to Parathyroid Hormone, FNA, ARUP test code 2001491); Urine. Rapid Serum Tubes (RST). Hemolyzed samples. Grossly lipemic samples.

Remarks
Stability

After separation from cells: Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 6 months

Reference Interval

15-65 pg/mL

Interpretive Data



Compliance Category

FDA

Note

PTH is unstable in unseparated serum. If collecting serum instead of plasma, tubes should be centrifuged immediately after clotting.

Hotline History

N/A

CPT Codes

83970

Components

Component Test Code* Component Chart Name LOINC
0070346 Parathyroid Hormone, Intact 2731-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Intact PTH
  • Parathormone
  • PTH
  • PTH Intact Molecule
Parathyroid Hormone, Intact