Authors: Mary A. Williamson Mt(ascp) Phd,L. Michael Snyder Md
Greater than 40 years: 54–860 mg/g creatinine
Female:
Less than 40 years: 111–927 mg/g creatinine
Greater than 40 years: 105–1,081 mg/g creatinine
Use
Evaluation of calcium-to-phosphorus balance
Evaluation of nephrolithiasis
Interpretation
Increased In
Primary hyperparathyroidism
Humoral hypercalcemia of malignancy
Vitamin D excess
Paget disease
Metastatic neoplasm of the bone
Fanconi syndrome (renal tubular damage)