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HelpTest Code PTH Parathyroid Hormone (PTH)
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
| Teays Valley Hospital Laboratory | 304-757-1770 |
Specimen Requirements
Plasma-EDTA purple top or Mint Green- Lithium Heparin
Spin and physically separate plasma from contact with cells as soon as possible
4 mL of plasma (minimum 2 mL)
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
- Lipemic
Storage and Stability
| Room temperature 15-30oC | 8 hrs |
| Refrigerated 2-8oC | 48 hrs |
| Frozen -20oC | 6 months |
Reference Values
12.0-88.0 pg/mL
Methodology
Chemiluminescent two-step immunoenzymatic sandwich assay
Days Test Set Up and Turnaround
Monday thru Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
83970