Stone Analysis with Image

Calculi Analysis, Calculus Analysis, Kidney Stone Analysis, Renal Calculi, Urinary Calculi, Kidney Stone Analysis

Test Codes

EPIC: LAB1231999, Beaker: Kidney Stone, Quest: 30260

Department

Send Outs

Specimen Collection Criteria

Collect: Submit entire air-dried urinary calculi specimen in a sterile collection container.

• Specimen source is required on request form for processing.
• Do not tape the specimen to anything; tape interferes with the analytical procedure.
• Do not send the stone in formalin.

Physician Office/Draw Specimen Preparation

Air dry specimen and store at room temperature (20-26°C or 68-78.8°F) prior to transport.

Preparation for Courier Transport

Transport: Air-dried specimen at room temperature (20-26°C or 68-78.8°F).

Rejection Criteria

• Specimens other than renal stones.
• Specimens not collected and processed as indicated.

In-Lab Processing

Air dry specimen and store at room temperature (20-26°C or 68-78.8°F) prior to transport.

Transport: Air-dried specimen at room temperature (20-26°C or 68-78.8°F).

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 1 year
Refrigerated (2-8°C or 36-46°F): 1 year
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Monday – Friday.
Results are available in 3-6 days.

Reference Range

By report.

Test Methodology

Infrared Spectroscopy (Fourier Transform Infrared Spectroscopy), Stone Weight: Gravimetric

Interpretation

By report.

Clinical Utility

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

CPT Codes

82365

Contacts

Last Updated

12/19/2025