Submit sample in ARUP Standardized Transfer Tube. Submit sample in ARUP Standardized Transfer Tube. Record 24-hour volume on tube. Record total volume on test request form. Patient should be on a low collagen diet.
Urine hydroxyproline is an older, nonspecific marker for bone resorption.
Pyridinium crosslinks, urine is a more specific test for bone resorption. Inc. All Rights Reserved.