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Military Obstetrics & Gynecology
Laboratory

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A/G Ratio

Serum proteins are primarily albumin (50-60%, produced by the liver), but also include globulins, and other proteins. 

Serum proteins:

  • Maintain water balance in the blood through osmotic pressure
  • Transport blood components and nutritional elements
  • Help the immune system
  • Help with coagulation

Although albumin is made exclusively in the liver, globulins are produced in many sites throughout the body. Thus, whether total protein is normal, elevated, or low, a decrease in the A/G ratio often indicates the presence of impaired liver function.

Normal Values*

Men-Women >1

*These are general values taken from a variety of sources. The actual normal values may vary from lab to lab and from one type of testing protocol to another.

The information contained here is an abbreviated summary. For more detailed and complete information, consult the manufacturer's product information sheets or standard textbooks

Source: Operational Medicine 2001,  Health Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington, D.C., 20372-5300

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