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HelpTest Code PTHIO Intraoperative Parathyroid Hormone (IOPTH)
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: Purple Top (EDTA)
Volume: 3.0mL
Minimum Volume: 3.0mL blood
Collection Instructions: Mix specimen well to avoid clotting. Fast patient 10-12 hours before sample collection. Send the sample to the laboratory immediately.
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Plasma |
|---|---|
| Ambient: | Send the sample to the laboratory immediately. |
| Refrigerate: | 2 days |
| Frozen: | 6 months |
Reference Interval
| Age | |
|---|---|
| 6 days - < 1 yr | 0.7-9.4 pmol/L |
| 1 - 8 yrs | 1.7-6.7 pmol/L |
| 9 - 16 yrs | 2.3-9.3 pmol/L |
| 17 - 18 yrs | 1.7-6.4 pmol/L |
| ≥19 yrs | 1.6-7.2 pmol/L |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Chemiluminescent Immunoassay
Service Code
31885
Update
Last updated 16/05/2024
Updated on Methodology.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Differential diagnosis of hyperparathyroidism, hypoparathyroidism, or hypercalcemia of malignancy. Assess the cure or the need for further exploration during parathyroid adenoma surgery and to determine extent of resection in patients with primary and secondary parathyroid hyperplasia
Alias
PTHIO