Creatinine (Urine)

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Does this take a look at produce other names?

Urine creatinine

What is that this take a look at?

This take a look at measures the extent of a substance referred to as creatinine in your urine.

Creatinine is a waste product that your physique makes whenever you use your muscle groups. It is also made when your physique digests meat. Wholesome kidneys take away creatinine out of your blood, and it leaves your physique in your urine.

This take a look at can discover out whether or not your kidneys are working usually or to see if remedy for kidney illness is working.

Why do I want this take a look at?

You could want this take a look at in case your healthcare supplier suspects you will have an issue along with your kidneys. Indicators and signs of kidney illness embody:

  • Frequent tiredness

  • Swelling in your ft or ankles

  • Poor urge for food

  • Puffiness round your eyes

  • Dry, itchy pores and skin

  • Muscle cramps

  • Frequent urination

  • Foamy urine

  • Painful urination

  • Blood or protein in your urine

  • Problem sleeping

You may additionally have this take a look at when you have already been recognized with continual kidney illness, in order that your healthcare supplier can test your kidney perform commonly and regulate your remedy if wanted.

What different checks would possibly I’ve together with this take a look at?

Your healthcare supplier can also order a protein-to-creatinine ratio take a look at achieved in your urine. It will have a look at the quantity of protein in contrast with creatinine. Extra protein that has leaked into your urine could also be an indication of kidney illness.

Your healthcare supplier can also order blood checks to measure your kidney perform. These would possibly embody a creatinine blood take a look at and a blood urea nitrogen, or BUN, take a look at. The creatinine blood take a look at is used to search out out your creatinine clearance, which provides a very good measure of kidney perform.

What do my take a look at outcomes imply?

Check outcomes could differ relying in your age, gender, well being historical past, the strategy used for the take a look at, and different issues. Your take a look at outcomes could not imply you will have an issue. Ask your healthcare supplier what your take a look at outcomes imply for you. 

Outcomes are given in grams per day (g/day) or millimoles per day (mmol/day). Regular outcomes rely in your muscle mass and age. Ranges differ for women and men:

Larger ranges could imply that you’ve kidney illness.

How is that this take a look at achieved?

This take a look at wants a urine pattern. Your healthcare supplier may have a “spot” urine take a look at or a 24-hour take a look at.

For a “spot” urine take a look at, you accumulate 1 pattern, ideally early within the morning.

For a 24-hour urine pattern, you will need to accumulate all of the urine you produce for twenty-four hours. Empty your bladder utterly very first thing within the morning with out gathering it. Notice the time. Then accumulate your urine each time you go to the toilet over the subsequent 24 hours. Maintain the urine within the fridge or in a cool place after every assortment.

Does this take a look at pose any dangers?

This take a look at poses no identified dangers.

What would possibly have an effect on my take a look at outcomes?

In case you are muscular, your urine creatinine degree could also be larger than regular. In case you are of small stature or have little muscle mass due to illness, your urine creatinine degree will possible be decrease than regular.

Your urine creatinine degree could also be larger if you’re African American, Hispanic, Asian, Pacific Islander, or American Indian.

Sure medicines can also have an effect on your outcomes.

How do I prepare for this take a look at?

You need not put together for this take a look at. Make sure your healthcare supplier is aware of about all medicines, herbs, nutritional vitamins, and dietary supplements you’re taking. This contains medicines that do not want a prescription and any illicit medicine you might use.