9 days
Spectrophotometry
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Measures both compounds to evaluate kidney function and muscle mass.
24 hour urine
10 mL aliquot
Plastic urine container
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Frozen | To be determined |