The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK


Calculi (Stone) Analysis
Order Code: STONE
Order Form: A-1a Miscellaneous Request or IPR Req
  Commercial "Mail-out" Laboratory
6240 RCP
356-3527
Specimen
Calculi specimen (air dried)
Collection Medium:
Miscellaneous container; contact laboratory
Analytic Time:
5 working days
Reference Range:
By Report
Interpretive Data:
Calculi are the products of physiological processes that yield 
crystalline compounds in a matrix of biological compounds and blood.  
The clinically significant crystalline components identified in calculi 
samples are documented on the sample report.  Matrix components are not 
reported.
Comments:
Calculi transported in liquid (saline or formalin), wrapped in tape 
(adhesive tape), or embedded in wax, may delay or prevent analysis and 
should not be submitted.

Calculi samples that are transported in liquid and received wet or 
bloody will be dried for 48-72 hours prior to analysis.
Methodology:
Reflectance Fourier Transform Infrared Spectroscopy (FTIR)/Polarizing 
Microscopy
CPT Code:
82365

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Updated: 07/11/2008

Note: The information contained in this handbook is for use by personnel of University of Iowa Health Care. No other use is implied or intended.