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Test Code
STOAN
Test Name
Stone Analysis
CPT Codes
82365
Included Tests
  • Color
  • Drug or Metabolite
  • 2,8 Dihydroxyadenine
  • Struvite (MgNH4PO4 6H2O)
  • Cystine
  • Calcium Phosphate (Carbonate)
  • Ammonium Acid Urate
  • Newberyite (MgHPO4 3H2O)
  • Triamterene
  • Cholesterol
  • Calcium Oxalate Dihydrate
  • Calcium Oxalate Monohydrate
  • Calcium Carbonate
  • Calcium Palmitate
  • Sodium Acid Urate
  • Uric Acid
  • Calcium Phosphate
  • Calcium Stearate
  • Bilirubin
  • Brushite (CaHPO4 2H2O)
  • Xanthine
  • Calcium Phosphate (Hydroxyl)
  • Weight
  • Uric Acid Dihydrate
  • Calcium Bilirubinate
Expected Turnaround Time
4-6 days
Clinical Utility

Determine calculi composition, metabolic factors affecting stone formation, evaluation of patient with nephrolithiasis.
Specimen and Container Info

Specimen Type: Calculus Specimen

Collection Container: Sterile Container

Desired Specimen Volume: Entire Calculus Specimen
Collection Instructions
  1. Collect calculus specimen in sterile container.
  2. Provide source (urinary, gall, salivary) of calculi.
Processing and Submission Instructions
  1. Avoid rejection and delayed processing by sending the stone completely dried in a clean container
  2. Do not send gauze, filters, tape or Q-tips
  3. Stones that are not received completely dried will result in delayed processing.
Transport Instructions

Transport to the laboratory at room temperature.  
Stability Requirements

Room Temperature

Indefinitely

Refrigerated

Indefinitely

Frozen

Indefinitely
Causes for Rejection
  • Urine
Methodology
Infrared Spectroscopy
Reference Intervals

 See patient report.
Alternate Names
  • Kidney Stone, gall stone, salivary stone
  • Calculi
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Monday-Friday
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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