Recommendations when to order or not order the test. May include related or preferred tests.
Mnemonic
Unique test identifier.
PTH-INT
Methodology
Process(es) used to perform the test.
Quantitative Electrochemiluminescent Immunoassay
Performed
Days of the week the test is performed.
Sun-Sat
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
New York DOH Approval Status
Indicates test has been approved by the New York State Department of Health.
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
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
15-65 pg/mL
Interpretive Data
Background information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Compliance Category
FDA
Note
Additional information related to the test.
PTH is unstable in unseparated serum. If collecting serum instead of plasma, tubes should be centrifuged immediately after clotting.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.
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