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HelpTest Code PTH INTACT Parathyroid Hormone (PTH), Intact
Performing Laboratory
North Ottawa Community Hospital
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)
Specimen Volume: Full tube
Specimen Minimum Volume: 0.5 mL
Collection Instruction: Avoid hemolysis.
Acceptable:
Specimen Type: Serum
Container/Tube: Serum gel or red top
Specimen Volume: Full tube
Specimen Minimum Volume: 0.5 mL
Collection Instruction: Avoid hemolysis.
Reference Values
7.5-53.5 pg/mL
Methodology
Immunometric
Specimen Transport Temperature
Ambient
Test Classification and CPT Coding
83970
Specimen Storage and Stability
| Specimen Type | Temperature | Time |
| Serum/Plasma | Room Temp | < 4 hours |
| Refrigerated (primary) | <48 hours | |
| Frozen | <4 weeks |