ARUP's Laboratory Test Directory

Parathyroid Hormone, Intact with Calcium : 0070172

Mnemonic: PTHI

Methodology: Quantitative Electrochemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Plain red or serum separator tube. Also acceptable: Green (sodium or lithium heparin).

Specimen Preparation: Allow serum specimen to clot fully at room temperature before centrifuging. 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.

Remarks: If requesting Ionized Calcium with PTH, submit two separate specimens. Refer to Calcium, Ionized, Serum (ARUP test code 0020135) for requirements.

Unacceptable Conditions: Body Fluid (refer to Parathyroid Hormone, FNA, ARUP test code 2001491). Specimens collected in EDTA.

Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 6 months
Reference Interval:
 
Test Number Components Reference Interval
0070346Parathyroid Hormone, Intact 15-65 pg/mL
 Calcium, Total0-6 years: 8.4-10.2 mg/dL
7-17 years: 8.5-10.7 mg/dL
18 years and older: 8.4-10.2 mg/dL
 
CPT Code(s): 83970 Parathyroid hormone, intact; 82310 Calcium total
Cross References: Parathormone (Parathyroid Hormone, Intact with Calcium), PTH Intact Molecule with Calcium (Parathyroid Hormone, Intact with Calcium)
 
 

 

 

 
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