Specimen Requirements

Title

KIDNEY STONE URINE PANEL, 24 HOUR

Specimen Requirement

Collect 24 hour urine without preservative, mix well, record total volume, then send 2 100 mL aliquots frozen.
Write total volume on aliquots and requisition.

Methodology

Stability

Reference Range

By Report*

Turnaround

6-8 days

Clinical Use

Evaluate stone composition, metabolic factors affecting stone formation; work up nephrolithiasis

Test includes:
Ammonia; calcium; chloride; citrate; creatinine; cystine; magnesium; osmolality; oxalate; pH; phosphorus; potassium; sodium; sulfate; total volume; uric acid; saturation ratios: brushite, calcium oxalate, monosodium urate, struvite; graph review

Test Code

KID