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Examen de 25-hidroxi vitamina D - Resultados

Nombres alternativos

Examen de 25-OH vitamina D; Examen de calcidiol 25-hidroxicolecalciferol

Valores normales:

El rango normal es de 16.0 a 74.0 nanogramos por mililitro (ng/mL). Los rangos de los valores normales pueden variar ligeramente entre diferentes laboratorios.

Significado de los resultados anormales:

Los niveles por debajo de lo normal sugieren una deficiencia de vitamina D, una afección que puede resultar de:

  • Falta de exposición a la luz solar
  • Falta de vitamina D adecuada en la dieta
  • Enfermedad hepática y renal
  • Absorción deficiente
  • Ciertos medicamentos, como fenitoína, fenobarbital y rifampina

Una deficiencia de esta vitamina puede llevar a que se presenten:

Los niveles por encima de lo normal sugieren que hay un exceso de vitamina D, una afección llamada hipervitaminosis D, generalmente causada por vitamina D en la forma de suplementos dietéticos recetados por el médico. Esto puede llevar a que se presenten altos niveles de calcio (hipercalciemia).

  • Fecha de revisión: 7/17/2007
  • Versión en inglés revisada por:Robert Hurd, MD, Professor of Endocrinology, Department of Biology, Xavier University, Cincinnati, OH, and physician in the Primary Care Clinic, Cincinnati Veterans Administration Medical Center, Cincinnati, Ohio. Review provided by VeriMed Healthcare Network.
  • Traducción y localización realizada por: DrTango, Inc

Referencias

Weng FL, Shults J, Leonard MB, Stallings VA, Zemel BS. Risk factors for low serum 25-hydroxyvitamin D concentrations in otherwise healthy children and adolescents. Am J Clin Nutr. 2007; 86(1):150-158.

Lappe JM, Travers-Gustafson D, Davies KM, Recker RR, Heaney RP. Vitamin D and calcium supplementation reduces cancer risk: results of a randomized trial. Am J Clin Nutr. 2007; 85(6):1586-1591.

Specker BL, Valanis B, Hertzberg V, Edwards N, Tsang RC. Sunshine exposure and serum 25-hydroxyvitamin D concentrations in exclusively breast-fed infants. J Pediatr 1985; 107(3):372-6.

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