Davis's Lab & Diagnostic Tests
Parathyroid Hormone
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Synonym/Acronym:
Parathormone, PTH, intact PTH, whole molecule PTH.
Rationale
To assist in the diagnosis of parathyroid disease and disorders of calcium balance. Also used to monitor patients receiving renal dialysis.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Immunoassay.
| Age | Conventional Units | SI Units (Conventional Units × 1) |
|---|---|---|
| Cord blood | Less than 3 pg/mL | Less than 3 ng/L |
| 2–20 yr | 9–52 pg/mL | 9–52 ng/L |
| Adult | 10–65 pg/mL | 10–65 ng/L |
Critical Findings and Potential Interventions
N/A
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