Test Directory

Test Code
KSP
Test Name
Kidney Stone Diagnostic Risk Prf
CPT Codes
81002, 82340, 82436, 82507, 83945, 84105, 84133, 84300, 84560
Included Tests
  • Calcium, 24-Hr Urine
  • Chloride, 24-Hr Urine
  • Potassium, 24-Hr Urine
  • Sodium, 24-Hr Urine
  • Uric Acid, 24-Hr Urine
  • pH, 24-Hr Urine
  • Phosphorus, 24-Hr Urine
  • Collection Period
  • Preservative
  • Volume
  • Citric Acid, 24-Hr Urine
  • Oxalate, 24-Hr Urine
Clinical Utility

Can be used to evaluate the risk of kidney stone development.

Specimen and Container Info

Specimen Type: 24-Hour Urine

Collection Containers: 24-Hour Plastic Urine Container

  

Minimum Acceptable Volume:  14.0 mL

Note: This volume does not allow for repeat testing.

Collection Instructions

Urine should be collected in a 24-Hour plastic urine container with no preservative.

See Special Instructions:

HNL Lab Medicine 24-Hour Urine Collection

Processing and Submission Instructions

Urine should be well mixed before aliquoting.

Record total volume and collection time interval on 3 separate aliquot tubes:

  • 1 refrigerated BD clear top tubes (Chemistry)
  • 1 refrigerated aliquot, ARUP clear tube (24CI)
  • 1 frozen aliquot, Sulfamic Acid tube (OXARM)

NOTE: Referral Testing:

  • Citrate tube (24CI) pH to be adjusted to <2
Transport Instructions

Transport to the laboratory refrigerated and frozen.

Stability Requirements

Refrigerated

See individual test listings
Methodology
See Individual Test Listings
Reference Intervals
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, daily