Low levels of ammonia in a person's blood can be an indication that the kidneys are not properly removing waste. Specific laboratories have their own range for what ideal ammonia levels in the blood should be, but in a h... More »

Low bicarbonate levels in the blood means that the body has an acid-base imbalance or an electrolyte imbalance, according to Lab Tests Online. Low bicarbonate levels may be due to metabolic acidosis, diabetic ketoacidosi... More »

Low lymph levels in a complete blood count refer to lymphocytopenia, which can be chronic or acute. Causes may include certain cancers, fasting, corticosteroid use, certain viral infections or certain autoimmune disorder... More »

Low blood oxygen levels or hypoxemia can be caused by an airway blockage, anemia, acute respiratory distress or heart ailments, among other conditions, according to Mayo Clinic. Lung disease and cyanide poisoning can als... More »

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Low kidney function means that a person's kidneys are not filtering blood as well as they should be. A person with low kidney function is at risk for kidney disease, according to the National Kidney Foundation. More »

Low mean corpuscular hemoglobin concentration, or MCHC, may mean hypochromic anemia, according to MedlinePlus. A normal MCHC is 32 to 36 grams per deciliter. Lead poisoning, inflammation and iron deficiency can all cause... More »

Kidney disease is the primary cause of elevated potassium levels, making the kidneys unable to filter extra potassium from the blood, notes WebMD. Other causes include alcoholism, adrenal failure, excessive use of potass... More »