Parathyroid Hormone, Intact with Calcium
0070172
Ordering Recommendation
Use to evaluate calcium dysregulation.
Mnemonic
PTHI
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
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.  
Unacceptable Conditions
Body Fluid (refer to Parathyroid Hormone, FNA, ARUP test code 2001491). Specimens collected in EDTA.  
Remarks
If requesting Ionized Calcium with PTH, submit two separate specimens. Refer to Calcium, Ionized, Serum (ARUP test code 0020135) for requirements.  
Stability
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
 
Interpretive Data
 
Note
 
CPT Code(s)
83970; 82310
Components
Component Test Code*Component Chart Name
0070163Calcium for Parathyroid Hormone, Intact
0070346Parathyroid Hormone, Intact
* 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
  • CA and PTH
  • Intact PTH
  • Parathormone
  • PTH and CA
  • PTH intact
  • PTH Intact Molecule with Calcium