Stone Analysis [30260X]

Test Code
STON

CPT Codes
82365

Preferred Specimen
Dry stone(s) collected in a sterile screw-cap container

Other Acceptable Specimens
Filtered material, dry stone (gall bladder, urinary bladder, salivary, prostate), submitted in a sterile, plastic, leak-proof, screw-capped container

Instructions
Source is required for all submissions.
Dry stone in sterile screw cap container. Stones originating from sources not related to the kidney should be air-dried, then placed in a plastic tube or a urine collection cup. Do not use tape. Minute specimens may be placed in a gelatin capsule. Ship ambient.

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

Transport Container
Sterile screw-cap container

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 1 year
Refrigerated: 1 year
Frozen: 1 year

Methodology
Nidus, Component 1, Component 2: Infrared Spectrum Analysis (IR) (FTIR) • Stone Weight: Gravimetric (GRAVMET)

Setup Schedule
Set up: Daily a.m.; Report available: 3-4 days

Reference Range
See Laboratory Report

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

Performing Laboratory
Quest Diagnostics Nichols Institute
Valencia 27027 Tourney Road
Valencia, CA 91355-5386



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.