ARUP's Laboratory Test Directory

Parathyroid Hormone, Intact with Calcium : 0070172

Mnemonic: PTHI

Methodology: Electrochemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL plain red or serum separator tube.  Also acceptable: green (sodium or lithium heparin).

Transport:  2 mL serum or plasma, frozen. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.5 mL serum or plasma, frozen.

Remarks:  Allow serum specimen to clot fully at room temperature before centrifuging.  Separate specimens must be submitted when multiple tests are ordered. If requesting Ionized Calcium with PTH, submit two separate specimens. Refer to Calcium, Ionized, Serum (0020135) for requirements.  

Unacceptable Conditions:  Specimens collected in EDTA.

Stability:  After separation from cells: Ambient: 8 hours; Refrigerated: 2 days; Frozen: 6 months
Reference Interval:
 
Test Number Components Reference Interval
0070346Parathyroid Hormone, Intact 15-75 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
 
 

 

 

 
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