PTH

Injury	Disease	Nutrition	Poison

Symptoms	Surgery	Test	Special Topic

Overview

Risks

Results

PTH

Alternative Names:

Parathormone; Parathormone (PTH) intact molecule; Parathyroid hormone

Normal Values:

Normal values are 10-55 pg/mL. Normal value ranges may vary slightly among different laboratories.

Note: pg/mL = picograms per milliliter

What abnormal results mean:

Greater-than-normal levels may be associated with:

Chronic renal failure
Hyperparathyroidism
Malabsorption syndrome (inadequate absorption of nutrients in the intestinal tract)
Osteomalacia (adults)
Rickets (children)
Vitamin D deficiency
Pregnancy or breast feeding
Increased blood lipids
Medications such as rifampin, anticonsulsants, diuretics, lithium, and those containing phosphate

Lower-than-normal levels may be associated with:

Autoimmune destruction of parathyroid gland
Hypomagnesemia
Hypoparathyroidism
Metastatic bone tumor
Milk-alkali syndrome (excessive calcium ingestion)
Sarcoidosis
Vitamin D intoxication
Parathyroid glands that were accidentally removed in neck surgery

Additional conditions under which the test may be performed:

Review Date: 3/3/2006
Reviewed By: David Juan, MD, Specializing in Endocrinology Issues, Good Hand Medical Center and Alperin Medical Clinics, Santa Clara, CA. Review provided by VeriMed Healthcare Network.

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