Test code links throughout this Guide refer to the corresponding test in the User's Guide. Elevated amounts of hydroxyproline may be seen in Paget's disease, neoplastic bone disease, hyperthyroidism, acromegaly, rheumatoid arthritis, osteoporosis, and chronic renal failure.
Urine hydroxyproline is an older, nonspecific marker for bone resorption.
Reports may vary based on instrumentation. Schuster R. Determination of amino acids in biological, pharmaceutical, plant, and food samples by automated precolumn derivitization and high-performance liquid chromatography.