Calculi Analysis

Overview

  • EPIC Code:
  • LAB2491
  • Soft Test Code:
  • PS
  • Send Out Test Code:
  • 30260
Alternate Names
  • Stone Analysis
  • Stone-A-Lyzer
Included Tests

Gross Exam; Chemical Analysis; Component 1; Component 2; Stone Weight


Clinical Significance

Stone Analysis is used in determining the etiology of stones. The results are often useful in determining the cause and treatment


Specimen Collection & Preparation

Test Notes:

This test will be automatically reflexed on Renal Calculi. Any other stones needing this analysis need the request spelled out on the requisition.

 

Order must include the site and/or source of collection 

Specimen Requirements:

-OR-

Entire specimen of Dry Renal Stone(s) in a sterile Grey Top Plastic Container
Collection Instructions:

Do not tape the specimen to anything as tape interferes with the analytical procedure

Remove stone from urine if necessary


Processing Instructions:

Do not add fixative to stone

Minute specimens may be placed in a gelatin capsule. 

Stones originating from sources not related to the kidney should be air-dried, then placed in a plastic tube or a urine collection cup. 


Transport and Storage:
  • Ambient: 6 Months

    Transport

    Note: Primary stone containers will be stored for 21 days only.

Clinical Interpretation

Reference Range:

Refer to Interpretive Pathology Report


Methodology:
  • Infrared Spectroscopy (Fourier Transform Infrared Spectroscopy), Gravimetric

Clinical Significance

Stone Analysis is used in determining the etiology of stones. The results are often useful in determining the cause and treatment


Production Schedule

Sites Performed
  • Parkview Regional Medical Center
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Histology

Coding & Compliance

CPT Coding

88300, 82365