A high immunoglobulin A, QN and serum count can mean that the body is fighting off an infection, and levels should return to normal after the infection is over, according to HealthTap doctors and Lab Tests Online. Howeve... More »

A high white blood cell count may indicate anemia, infection, allergic reaction or leukemia, states MedlinePlus. Other causes include extensive tissue damage, cigarette smoking and severe mental or physical stress. Takin... More »

www.reference.com Health Medical Ranges & Levels

Both a high sedimentation rate and a high C-reactive protein are indicative of inflammation somewhere in the body, but neither test can pinpoint the source of the inflammation, state both WebMD and Lab Tests Online. Alth... More »

According to WebMD, high levels of lactic acid mean that the body's lactate threshold, also known as the anaerobic threshold, has been passed, and that lactic acid is building up in the kidneys and liver. While lactic ac... More »

Elevated immunoglobulin levels mean that the body's immune system has produced antibodies in response to a threat, such as bacteria, viruses, fungus, animal dander or cancer cells. Immunoglobulins, also known as antibodi... More »

A high serum glutamic pyruvic transaminase (SGPT) test indicates some degree of liver damage. SGPT enters the bloodstream following an injury to the liver. More »

A high lymphocyte count is an indicator of infection, autoimmune disorders and some types of cancer, explains Mayo Clinic. Lymphocytes are a type of white blood cell. More »