Figure 2From: A novel CaSR mutation presenting as a severe case of neonatal familial hypocalciuric hypercalcemiaSerum Calcium, iPTH, Calcium Creatinine Clearance Ratio (CCCR), alkaline phosphatase levels over the course of observation. Gray zones indicate the reference ranges for each parameter. CCCR reference range not included due to scale; however, values <0.02 consider hypocalciuric.Back to article page