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Geisinger Medical Laboratories Test Catalog
CYSTINE, 24-HOUR URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2165 Geisinger Epic ID: 14902 | |
SPECIMEN COLLECTION |
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Specimen type: |
24-hour urine | |
Preferred collection container: |
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Specimen required: |
1.8 mL aliquot of 24-hour urine (minimum 0.6 mL) collected in 24-hour urine container. | |
Special notes: |
Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable). Also note if patient is on penicillamine therapy. Patient's age is required for correct reference range. Do not use container with preservatives. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Frozen. | |
Specimen stability: |
Room Temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 2 months. | |
Rejection criteria: |
Urine with a pH less than 2 will be rejected. Specimen not shipped frozen. | |
TEST DETAILS |
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Reference interval: |
Pediatrics: 0-9 years 6-48 umol/24 hours 10-13 years 10-94 umol/24 hours 14-17 years 17-102 umol/24 hours Adults, Males and Females: 24-184 umol/24 hours |
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CPT code(s): |
82131 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Cystine, 24-hour urine. | |
Methodology: |
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) |
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Synonyms: |
CYST24, Quest test code 10947X
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