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Cystine, Quantitative, random urine
| Item | Value | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Approval req'd? | No | ||||||||
| Available Stat? | No | ||||||||
| Test code | CUQT | ||||||||
| Test group | Cystine | ||||||||
| Performed by | Quest | ||||||||
| Sendout? | Yes | ||||||||
| Method | IEC | ||||||||
| Container type | Urine cup | ||||||||
| Amount to Collect | See preferred volume | ||||||||
| Sample type | Random urine | ||||||||
| Preferred volume | 2 mL urine | ||||||||
| Min. Volume | 1.8 mL urine | ||||||||
| Processing notes | Freeze sample at -20C. Order Quest # 9605N. | ||||||||
| Units | mmol/mol creatinine | ||||||||
| Normal range |
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| Turn around times | Test run as needed, at least 3x weekly. Turnaround 3-5 days | ||||||||
| Additional information | Clinical Significance: Cystinuria is an autosomal recessive disease in which dibasic amino acids, including cystine, are excreted in excess. Also part of Amino Acid Analysis. Pediatric reference ranges are from Soldin SJ et al., eds., Pediatric Reference Ranges, 2nd ed., AACC Press,1997, pp. 20-29. |
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| LOINC code | 22687-8 | ||||||||
| Last Updated | 3/24/2013 7:48:21 PM | ||||||||
| Entry Number | 290 |
If you have additional questions regarding this test, please call: 415-353-1667