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| 81940:CALCULUS, STONE ANALYSIS | |||||||||
| Alias Names: | Bile Stone / Kidney Stone / Renal Stone / Stone (Calculi) Analysis / Urinary Tract Stone | ||||||||
| Methodology: | Reflectance Fourier Transform Infrared Spectroscopy (FTIR) / Polarizing Microscopy | ||||||||
| Edit Date: | 8/16/2010 | ||||||||
| Performed: | Daily | ||||||||
| Released: | 1-5 days after setup at PeaceHealth Laboratories’ reference lab. | ||||||||
| CPT Code: | 82365-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | Air-dried stone in a clean dry plastic container. | ||||||||
| Handling: | Note source on requisition form. Specimen stored in formalin, attached to adhesive tape, or embedded in wax will delay assay time. | ||||||||
| Stability: | Indefinitely. | ||||||||
| Transport: | Ambient. | ||||||||
| Comments: | On the rare occasion when the stone composition cannot be identified, it will be referred to another reference laboratory for identification.
Calculi specimens transported in liquid or contaminated with blood require special handling which will delay analysis. Samples wrapped in tape or embedded in wax will delay or prevent analysis and should not be submitted. |
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| Reference Range: | |||||||||||||||||||
| See patient report.
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. Results include number, weight, shape, surface, firmness, colour, and composition. |
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