| Laboratory: | Clinical Biochemistry (METABOLIC) | ||||||||||||||
| Test Name: |
CITRATE – Random (Citrate/Creatinine Ratio) - (U)
Test Code:
CITU
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| Clinical Information: |
Urinary citrate is a major inhibitor of kidney stone formation due in part to binding of calcium in urine. Low urine citrate levels are considered a risk for kidney stone formation.
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| Collection Devices: |
Random urines with or without acid preservative are acceptable. Samples with preservative are acceptable when other tests requiring preservative are ordered on same collection.
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| Specimen Required: |
Urine: 10.0 mL
Pediatric Urine: 5.0 mL
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| Referral: |
Urine: 10.0 mL
Pediatric Urine: 5.0 mL
Refer to
JA110-50-01A 24 Hour Urine Processing Flow Chart JA110-50-01B Random Urine Processing Flow Chart Specimen Stability: Refrigerated: 14 Days Frozen: 14 Days |
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| Requisition: | |||||||||||||||
| Reference Values: |
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| Availability: |
Within 2 Weeks
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| See Also: | |||||||||||||||
| More Information: |
Health Sciences Centre by Shared Health Biochemical Genetics Laboratory using enzyme quantitation.
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