ARUP's Laboratory Test Directory

Calculi (Stone) Analysis with Photo : 2005231

Mnemonic: CALCPHOTO

Ordering Recommendation: For specimens smaller than 2 mg, refer to Calculi (Stone) Analysis (0099460).
Methodology: Quantitative Reflectance Fourier Transform Infrared Spectroscopy/Quantitative Polarizing Microscopy
Performed: Sun-Sat
Reported: 1-4 days
Specimen Required: Collect: Calculi specimen greater than 2 mg.

Specimen Preparation: Air dry calculi and transfer to an ARUP Standard Transport Tube. Larger calculi specimens may be transported in a clean, empty urine cup (150 mL) or similar container.

Storage/Transport Temperature: Room temperature.

Remarks: Calculi specimens that are transported in liquid and received wet or bloody will be dried for 48-72 hours, which will cause a delay in processing.

Unacceptable Conditions: Specimens that are wrapped in tape or embedded in wax will delay or prevent analysis and should not be submitted.

Stability (collection to initiation of testing): Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Indefinitely
Interpretive Data: Calculi are the products of physiological processes that yield crystalline compounds in a matrix of biological compounds and blood.  Matrix components are not reported. The clinically significant crystalline components identified in calculi specimens are reported.
Note: Stones smaller than 2 mg cannot be photographed.
CPT Code(s): 82365
Cross References: Bile Stone (Calculi (Stone) Analysis with Photo), Kidney Stone (Calculi (Stone) Analysis with Photo), Renal Stone (Calculi (Stone) Analysis with Photo), Stone (Calculi (Stone) Analysis with Photo), Urinary Tract Stone (Calculi (Stone) Analysis with Photo)