24-hour urine collection (metabolic evaluation)

every twelve months

tests per year, Europe, 8 to 12 weeks after starting prevention, then every twelve months once normalised

“The first follow-up 24-hour urine measurement is suggested eight to 12 weeks after starting pharmacological prevention of stone recurrence. ... Once urinary parameters have been normalised, it is sufficient to perform a 24-hour urine evaluation every twelve months.”

EAU Guidelines on Urolithiasis (2026 edition), Metabolic Evaluation and Recurrence Prevention, 2026

Kind of source
Clinical guideline
Read on
2026-11-06
Daily check
Quote found at the source on 2026-11-06
What to know
For stone formers taking medication to prevent recurrence. The initial specific evaluation uses two consecutive 24-hour urine samples. The panel notes the evidence for this interval is very limited.

Used in

Kept as evidence; no figure on the platform is computed from it yet.