Table 2.

Case 2 investigations following Vitamin D replacement

Investigation	Result	Reference range
Corrected Calcium (mmol/L)	2.68	2.1–2.6
Phosphate (mmol/L)	1.03	0.74–1.5
Sodium (mmol/L)	140	133–146
Potassium (mmol/L)	4.5	3.0–5.0
Creatinine (umol/L)	72	49.0 − 0.90.0
Estimated glomerular filtration rate (mL/min/1.73 m2)	74
Parathyroid hormone (pg/ml)	40.7	15.0–68.3
Vitamin D total (nmol/L)	67	> 50.0
24 h urine calcium (mmol/24 hr)	10	2.5–7.5