+ UrineLevel 2 of 3Results in 7 daysCreatine and kidney check
Sample: Blood and urine
Creatinine is the marker most kidney checks rely on, but it is produced from creatine in your muscles, so supplements and a large muscle mass can raise it even when the kidneys are filtering normally. Cystatin C is produced by all cells at a steady rate and depends far less on muscle, which makes it a useful second measure of kidney filtration. This panel measures creatinine and eGFR, cystatin C, urea, and a urinalysis that checks for protein, blood and other changes in the urine. It suits anyone taking creatine or protein supplements, people with a lot of muscle mass, and anyone whose creatinine came back high on a routine test. Before you stop your creatine, check your kidneys with a marker it barely affects.
€95.00
- 1. Come in fasting (12 hours). You can drink water. Keep taking your usual medication unless your doctor says otherwise. Bring your confirmation and an ID.
- 2. Bring a urine sample or pee at the lab.
- 3. Bring the first urine of the morning.
These are general recommendations. Check the preparation for your tests with your doctor.
- Sample: Blood and urine
- Results in7 days
- Fasting12h required
- Creatinine: A waste product your muscles make every day as they use energy, which your kidneys filter out of your blood and send into your urine. Because its level rises when the kidneys filter less, it is the starting point for calculating eGFR, and it can also go up with high muscle mass, a lot of red meat, intense exercise or not drinking enough water.
- eGFR (Glomerular Filtration): A calculated score of how well the kidneys filter waste per minute. More precise than creatinine alone.
- Cystatin C: A tiny protein your cells release at a steady pace and your kidneys clear away. Unlike creatinine, it barely depends on how much muscle you have, so it gives a fairer picture of kidney filtering in very muscular or very slim people, and paired with creatinine it's one of the most precise ways to estimate how well your kidneys filter.
- Urea: A waste product your liver makes from protein. Your kidneys remove it from the blood. Paired with creatinine, it gives a fuller picture of kidney filtration and protein metabolism.
- Urinalysis: A general check of your urine, including protein, blood and glucose. It shows what passes through your kidney filters that normally stays in your blood.
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