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Test Code Billings Clinic: 8816 Calculus (Stone) Analysis

Performing Laboratory

Urolithiasis Laboratory

Methodology

Optical Crystallography

Specimen Requirements

  • Entire dry specimen in a screw-capped, sterile container.
  • Do not submit specimen in formalin.
  • Do not tape the specimen to anything—tape interferes with the analytic procedure.
  • Maintain sterility and forward promptly.
  • Specimen source is required on request form for processing.

Reference Values

Descriptive report

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

82370 - Calculus; qualitative analysis; X-ray diffraction