How do the bean shaped Kidneys function? Learn more:

Date: 11/16/2019


Health Stream | Lab Decoded

By K Patel, MD, MPH

Image source: National Institute of Health

Kidneys are bean shaped organs located in the back part of lower abdomen. Human body has two kidneys. Kidneys are important to remove the waste products and maintain water- electrolyte balance. They also play vital role in maintaining blood pressure, producing red blood cells and releasing vitamin D in our body.

Kidney function test is part of the routine metabolic lab panels.

What is Kidney function test?

Kidney function test consists of BUN (Blood Urea Nitrogen), Cr (Creatinine) & eGFR (estimated Glomerular filtration rate)

Normal Kidney function test range: (may vary among various labs)

Cr – 0.72 to 1.25 mg/dL

BUN – 6 to 20 mg/dL

eGFR - > 60 mL/min/1.73M2

What are the common causes of abnormal Kidney function or Kidney failure?

Dehydration

Chronic conditions like Diabetes, Hypertension, Heart disease, Liver disease

Blockage of arteries supplying kidneys

Kidney infection

Kidney stones

Medications like Ibuprofen, naproxen (NSAIDs), certain antibiotics

Toxins like alcohol, cocaine, heavy metals, cannabis (SPICE, K2)

Autoimmune conditions like lupus, nephritis, scleroderma

Cancers like kidney cancer, multiple myeloma and other surrounding organ cancers

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