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Extended Urea and Electrolytes/ Renal Function

5.0 (1 review)

Verified ratings from patients who booked this test with us.

A private extended urea and electrolytes/ renal function taken by an experienced phlebotomist at our Widnes or Crewe clinic and analysed by an accredited pathology laboratory. This test measures 6 biomarkers, listed in full below.

Results turnaround: Same Day
Sample type: 1 Yellow SST
Biomarkers measured: 6 included

What this test measures

Every individual marker included in the extended urea and electrolytes/ renal function, grouped by laboratory panel.

Electrolytes & Minerals

Bicarbonate
Chloride
Potassium
Sodium

Kidney Function

Creatinine
Urea

Before your appointment

Chloride, Creatinine, Bicarbonate, Potassium, Sodium, Urea

How your appointment works

1
Book online and choose Widnes or Crewe — most people are seen within a few days.
2
Arrive a few minutes early; your appointment usually takes 10–15 minutes.
3
Your sample is labelled in front of you and posted to the laboratory the same day, with guaranteed 24-hour delivery.
4
Your results arrive securely by email, typically same day from when the lab receives your sample.

Patient reviews

Verified reviews from patients who booked this test through our online booking system. Names are shown according to each reviewer's privacy choice.

12 May 2026
Anna — verified booking review

Frequently asked questions

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