Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

  Lavender (K2 or K3EDTA) or pink (K2EDTA). 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

Methodology

  Quantitative Electrochemiluminescent Immunoassay (ECLIA)

Performed

    Sun-Sat

Reported

    Within 24 hours

Reference Interval

  18-59 pg/mL

Test Number
Components
Reference Interval
  Parathyroid Hormone, Intact 18-59 pg/mL

Interpretive Data

  For patients 18 years of age and above:
Parathyroid hormone (PTH) reference intervals reflect expected values in normocalcemic, normophosphatemic individuals with optimal vitamin D concentrations; results should be interpreted concurrently.

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