Albumin, serum (ALB)

Product Description

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Albumin is a vital protein produced by the liver, playing a crucial role in maintaining the body’s fluid balance, transporting hormones, vitamins, drugs, and substances like calcium throughout the bloodstream. The Albumin, Serum (ALB) test measures the amount of albumin in the blood, providing valuable information about overall health and liver function.

Normal Range

The normal range for albumin levels can vary based on age, sex, and laboratory methods. Generally, the reference ranges are:

– Females: 3.4 to 5.4 g/dL

– Males:  3.4 to 5.4 g/dL

– Children:  3.8 to 5.4 g/dL

Function in the Body

Albumin performs several essential functions in the body:

– Maintains Oncotic Pressure:* Albumin helps regulate the pressure within blood vessels, preventing fluid from leaking out into tissues.

– Transport: It binds and transports hormones, vitamins, drugs, and other molecules throughout the bloodstream.

– Buffering Capacity: Albumin acts as a buffer, maintaining pH balance in the blood.

– Antioxidant Properties: It binds free radicals and protects the body from oxidative stress.

Diseases Revealed by the Test

The ALB test can help diagnose and monitor various conditions, including:

Liver Disease: Low albumin levels can indicate liver dysfunction, such as cirrhosis or hepatitis.

– Kidney Disease: Conditions like nephrotic syndrome may result in albumin loss through urine, lowering blood levels.

– Malnutrition: Inadequate protein intake can lead to low albumin levels.

– Chronic Inflammation: Conditions like inflammatory bowel disease or chronic infections can reduce albumin levels.

Symptoms of Abnormal Albumin Levels

Symptoms of Deficiency:

– Swelling or edema, especially in the legs and abdomen

– Muscle weakness

– Fatigue

– Poor wound healing

– Increased susceptibility to infections

Symptoms of Overdose:

– Dehydration

– Increased blood pressure

– Blood clotting disorders

Diagnosis and Interpretation

To diagnose and interpret albumin levels, healthcare providers consider various factors, including:

– Patient’s medical history

– Physical examination

– Other laboratory tests, such as liver function tests, kidney function tests, and protein electrophoresis

An abnormal ALB test result may prompt further investigations to identify the underlying cause.

Frequently Asked Questions

Q1: What causes low albumin levels?

A: Low albumin levels can result from liver disease, kidney disease, malnutrition, chronic inflammation, or protein loss through the gastrointestinal tract.

Q2: Can diet affect albumin levels?

A: Yes, inadequate protein intake can lead to low albumin levels. A balanced diet rich in protein can help maintain normal levels.

Q3: How is the ALB test performed?

A: The ALB test is a simple blood test that requires drawing a small sample of blood from a vein in the arm.

Q4: Is fasting required before the ALB test?

A: Generally, fasting is not required. However, your healthcare provider may provide specific instructions based on your health condition.

Q5: Can medications affect albumin levels?

A: Yes, certain medications, such as corticosteroids and some antibiotics, can influence albumin levels. Inform your healthcare provider about all the medications you are taking.

 

The Albumin, Serum (ALB) test is a valuable diagnostic tool for assessing liver function, nutritional status, and overall health. By understanding the normal range, functions, and potential abnormalities, individuals can work closely with their healthcare providers to manage and monitor their health effectively. Always consult a medical professional for personalized advice and interpretation of test results.

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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