Tests
Kidney function tests
Kidney function tests
Creatinine and eGFR help assess kidney health.
Sources checked · Introductory guide
On this page
What does the test do?
Blood and urine tests assess waste removal and signs of kidney damage.[1]
Understanding results
eGFR is an estimate; muscle mass can affect creatinine.[1]
Before the test
Check preparation and medicines; report dehydration or urine changes.[1]
Questions for your care team
- Could kidney results affect treatment or contrast choices?
Sources and scope
Source documents are in English.
Entries summarize and translate linked official public sources. The source-check date records when those sources were checked; it does not indicate a clinician’s review.
General information based on official public sources. This is not a complete list of uses or side effects. Individual treatment decisions require your care team and current source documents. US-source uses do not establish local approval or reimbursement.