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Geisinger Medical Laboratories Test Catalog
OXALIC ACID, PEDIATRIC URINE WITH CREATININE |
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Geisinger Epic Procedure Code: LAB1232
Geisinger Epic ID: 52853
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SPECIMEN COLLECTION |
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Specimen type: |
Urine - 2nd morning voided | |
Preferred collection container: |
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Specimen required: |
10 mL 2nd morning voided urine; minimum 3 mL | |
Special notes: |
Please submit second morning voided specimen | |
Patient preparation: |
Patient should refrain from taking excessive amounts of Ascorbic Acid or Oxalate-rich foods (i.e., spinach, coffee, tea, chocolate, rhubarb) for at least 48 hours before the collection period. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Adjust pH to < 3.0 with 6N HCl before aliquoting for testing. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 6 days. Refrigerated: 7 days. Frozen: 4 months. | |
TEST DETAILS |
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CPT code(s): |
82570, 83945 | |
| 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 12333x, Ox Acid Pedi
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Clinical significance: |
Excessive oxalates in the urine may lead to oxalate kidney stones. Hyperoxaluria may be due to a rare inherited metabolic disorder in which the body produces excess of the salt oxalate, leading to stone formation. | |