| Ordering Recommendation: |
Urine hydroxyproline is an older, nonspecific marker for bone resorption. Deoxypyridinoline Crosslinks (0070212), Pyridinoline & Deoxypyridinoline by HPLC (0080342), and N-Telopeptide, Cross-Linked, Urine (0070062) are more specific tests for bone resorption assessment.
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| Methodology: |
Ion Exchange Chromatography
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| Performed: |
Mon
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| Reported: |
4-11 days
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| Specimen Required: |
Patient Prep: Patient should be on a collagen-free diet for 3 days prior to collection.
Collect: 24-hour urine. Refrigerate during collection.
Specimen Preparation: Transfer 5 mL aliquot from a well-mixed 24-hour urine to ARUP Standard Transport Tubes. (Min: 3 mL) Record total volume and time collection interval on transport tube and test request form.
Storage/Transport Temperature: Frozen.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 6 months
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