What should igf 1 levels be

Massart C, Poirier JY. Serum insulin-like growth factor-I measurement in the follow-up of treated acromegaly: comparison of four immunoassays.

Clin Chim Acta. Serum IGF-I measured by four different immunoassays in patients with adult GH deficiency or acromegaly and in a control population. Clin Endocrinol Oxf.

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The International Reference Reagent for insulin-like growth factor-I. J Endocrinol. How should insulin-like growth factor I be measured?

A consensus statement. Opposite associations of age-dependent insulin-like growth factor-I standard deviation scores with nutritional state in normal weight and obese subjects. Correspondence to:. Publication Dates Publication in this collection 02 Aug Date of issue History Received 29 Jan Accepted 04 May Pedro Weslley Rosario. Figures 1. Google Google Scholar. Normal values of serum IGF-1 in adults: results from a Brazilian population.

Since the IGFBP3 assay is an immunometric assay, heterophile antibody interferences can rarely cause erroneous results, usually false-high. Heterophile antibodies in human serum can react with the immunoglobulins included in the assay components causing interference with immunoassays.

Specimens from patients with autoimmune diseases or from individuals routinely exposed to animals or animal serum products can demonstrate this type of interference, potentially causing an anomalous result. The assay reagents have been formulated to minimize the risk of such interference; however, rare interactions can occur. For diagnostic purposes, the results obtained from this assay should always be used in combination with the clinical examination, patient medical history, and other findings.

Wetterau L, Cohen P: Role of insulin-like growth factor monitoring in optimizing growth hormone therapy. J Ped Endocrinol Metab. Eur J Endocrinol. Parama C, Fluiters E, de la Fuente J, et al: Monitoring of treatment success in patients with acromegaly: the value of serum insulin-like growth factor binding protein-3 and serum leptin measurements in comparison to plasma insulin-like growth factor 1 determination.

J Endocrinol Metab. Brabant G: Insulin-like growth factor-I: marker for diagnosis of acromegaly and monitoring the efficacy of treatment. Clin Chem. Skip to main content. Register Sign In. Test Catalog Account.

Outreach Solutions Tactics Articles Events. You may need this test if your healthcare provider believes that you have or are at risk for a GH-related disease, including:.

Acromegaly, or GH over-production. This causes too much growth of the hands, feet, and facial bones in adults. Laron syndrome. With this condition, the body is not sensitive to GH due to a change mutation to the growth hormone receptor gene. This results in short stature dwarfism. Test results may vary depending on your age, gender, health history, the method used for the test, and other things. Your test results may not mean you have a problem. Ask your healthcare provider what your test results mean for you.

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