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LABORATORY TEST DIRECTORY

Calculi Risk Assessment, Urine

CPT Code(s): 82340; 82436; 82507; 83735; 83945; 83986; 84105; 84133; 84300; 84560
Specimen Required: Patient Preparation:
Collect:24-hour urine. Refrigerate during collection.
Specimen Preparation:Transport four separate 4 mL aliquots from a well-mixed 24-hour urine collection using Calculi Risk/Supersaturation Urine Collection Kit (RDL supply# 46007). Available online through eSupply using RDL Connectâ„¢ or contact Client Services at (888) 431-7474. Aliquot according to the following specifications: 1st aliquot (pH 2): Transfer 4 mL urine into a Sulfamic Acid Tube. (Min: 4 mL) Mix well.2nd aliquot (pH 2): Transfer 4 mL urine into a Sulfamic Acid Tube. (Min: 4 mL) Mix well.3rd aliquot (pH 9): Transfer 4 mL urine into a Sodium Carbonate Tube. (Min: 4mL) Mix well. 4th aliquot: Transfer 4 mL urine into an Unpreserved Tube. (Min: 4 mL) Freeze specimens immediately after aliquoting. Do not exceed 4 mL in tubes.
Storage/Transport Temperature:
Stability:Room Temperature: Unacceptable; Refrigerated: 24 hours (after collection is complete); Frozen: 3 weeks
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Renal Stone Risk Panel II (Kidney Stone Risk Panel II, Urine)