Cystatin C

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At a Glance

Why Get Tested?

Cystatin C measurement is becoming more widely available in the UK to assess kidney function. It is particularly helpful in situations where measurements of creatinine (the commonest way of assessing kidney function) are misleading or difficult to interpret. It is used to monitor people with known or suspected kidney diseases. It is used to calculate how well your kidneys are able to filter waste products from the blood.

When to Get Tested?

It can be useful if you have symptoms of kidney disease and/or have a disease or condition that is known to affect kidney function

Sample Required?

A blood sample taken from a vein in your arm

Test Preparation Needed?