Total reviews 411
Total reviews 411
Tests Included: 1
Est. 3-5 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
The assay is useful in making the diagnosis of primary hyperparathyroidism, secondary hyperparathyroidism, and a differential diagnosis of hypercalcemia. The assay helps in distinguishing hypercalcemia cause by either primary hyperparathyroidism or malignant disease.
Tests Included: 1
Est. 3-5 (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
Note: Turn around times on results are an estimate and are not guaranteed. The lab may need additional time due to holidays, confirmation/repeat testing, etc. You can contact us to discuss when your results should be ready and we will contact the lab on your behalf immediately.
Calcium
| Age | Male (mg/dL) | Female (mg/dL) |
| <1 Month | 8.4-10.6 | 8.4-10.6 |
| 1-11 Months | 8.7-10.5 | 8.7-10.5 |
| 1-3 Years | 8.5-10.6 | 8.5-10.6 |
| 4-19 Years | 8.9-10.4 | 8.9-10.4 |
| 20-49 Years | 8.6-10.3 | 8.6-10.2 |
| >49 Years | 8.6-10.3 | 8.6-10.4 |
Parathyroid Hormone, Intact
| <1 Year | 7-58 pg/mL | ||||
| 1-7 Years | 12-55 pg/mL | ||||
| 8-18 Years | 12-71 pg/mL | ||||
| ≥19 Years | 14-64 pg/mL | ||||
Interpretive Guide
| Intact PTH | Calcium | |
| Normal Parathyroid | Normal | Normal |
| Hypoparathyroidism | Low or Low Normal | Low |
| Hyperparathyroidism | ||
| Primary | Normal or High | High |
| Secondary | High | Normal or Low |
| Tertiary | High | High |
| Non-Parathyroid | ||
| Hypercalcemia | Low or Low Normal | High |
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