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Geisinger Medical Laboratories Test Catalog
CITRIC ACID, URINE WITH CREATININE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1214 Geisinger Epic ID: 52781 | |
SPECIMEN COLLECTION |
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Specimen type: |
Clean-catch urine | |
Preferred collection container: |
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Specimen required: |
10 mL clean-catch urine; minimum 1.5 mL. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Refrigerated (cold packs). | |
Specimen stability: |
Room temperature: 8 hours. Refrigerated: 30 days. Frozen: 60 days. | |
Rejection criteria: |
Received room temperature • Acidified urine | |
TEST DETAILS |
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CPT code(s): |
82507, 82570 | |
| 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. | ||
Methodology: |
Spectrophotometry |
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Synonyms: |
Quest test code 11004, Citric Rd Ur
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Clinical significance: |
Citrate binds to calcium and inhibits kidney stone formation. Thus, low concentrations of citrate may lead to kidney stone formation. This is the most important risk factor for kidney stone formation in children. The treatment of calcium stones involves increasing urinary citrate excretion. | |