What does a WBC esterase test look for?

The WBC esterase test specifically looks for signs of infection, such as white blood cells, in urine. If a dipstick color change occurs, the urine sample undergoes microscopic examination to double-check results.

What makes a positive chemical test for WBC’s?

Leukocyte esterase. Leukocyte esterase is an enzyme present in most white blood cells (WBCs). A few white blood cells are normally present in urine and usually give a negative chemical test result. When the number of WBCs in urine increases significantly, this screening test will become positive.

What does it mean when leukocyte esterase comes up?

During urinalysis leukocyte esterase always comes 2+. What does it mean. Should I be worried? hi there!! I have ra and have routine blood work… urinalysis always comes up yellow/clear& Leukocyte esterase comes up 2+…..I have been told not to worry, always the same results~every blood test .

When to use clean catch kit for WBC esterase?

The method uses a clean catch kit and wipes. The purpose of using this is to get a sterile and uninfected sample of urine. It is usually recommended to urinate after 3 hours of stored urine in the urinary bladder. The process involves cleaning the area;

What causes high WBC in urine?

One of the serious causes of WBC in urine is kidney infection, known as pyelonephritis, which starts in the urinary tract and then travels up to the kidney. Some of the accompanying symptoms of a kidney infection are fever and blood in urine.

What does a WBC count of 20, 000 mean?

A WBC count of 20,000/mm3 or greater in febrile children may indicate an occult pneumonia. A lack of systemic inflammatory response (i.e., absence of fever and leukocytosis) is associated with significantly increased mortality in elderly patients with pneumonia.

What does WBC UA mean?

White blood cells (WBC) in urine is usually measured in something called a urine analysis (UA) The normal range is 0-5 wbc/hpf, like you mentioned. This test is usually ordered to determine is someone has a urinary tract infection.

What does +2 leukocytes mean?

It means you have leukocytes in your urine, and the +2 is an indicator of how much – going on the dip stick you use, so generally it means you were +ve on the 2nd box IYKWIM.. When pregnant they test for protein, blood and leukocytes..