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Kidney Function Test

Assesses renal filtration and electrolyte balance using creatinine, urea, and related markers.

Turnaround: 4-6 hours Sample: Blood

Test Overview

Kidney function testing provides a useful biochemical overview of renal performance. It helps physicians assess hydration status, filtration efficiency, and possible renal impairment in acute or chronic settings.

Parameters Measured

Creatinine
Primary filtration marker
Normal Range: 0.6-1.3 mg/dL
Blood Urea
Nitrogen waste indicator
Normal Range: 15-40 mg/dL
eGFR Summary
Estimated from creatinine and patient factors
Normal Range: >=90 mL/min/1.73m2

When is this test recommended?

Follow-up for kidney disease
Evaluation of high blood pressure or diabetes complications
Assessment of dehydration or fluid imbalance
Routine monitoring before certain medications

Preparation Instructions

  • Stay well hydrated unless your physician instructed otherwise.
  • Avoid heavy protein meals just before the test.
  • Tell the lab if you are taking diuretics or kidney-related medication.

Frequently
asked questions

Kidney Function Test helps the laboratory and treating physician review the relevant markers for this test in a clinically structured way.

This test is usually performed on Blood, and results are typically available within 4-6 hours.

Hydration is recommended before testing.

Direction →

Talk to the Alsaleem team

Book a test, ask about turnaround time, or request a partnership walkthrough using this demo contact experience.

Address

Rouisat opposite to Alwahda Bank, Benghazi, Libya

Give us a call

+218 91 557 3000

Send us an email

benghazi@alsaleemlabs.com