Table.
Initial Laboratory Results.
| Parameter | Level | Reference range | ||
|---|---|---|---|---|
| Hemoglobin, g/dL | 10.9 | 11.0-14.0 | ||
| Blood urea nitrogen, mg/dL | 20.8 | 8.0-22.0 | ||
| Scr, mg/dL | 1.88 | 0.6-1.0 | ||
| eGFR, mL/min/1.73 m2 | 20.5 | 90-120 | ||
| Serum albumin, g/dL | 3.5 | 4.1-5.1 | ||
| Serum sodium, mEq/L | 145 | 135-140 | ||
| Serum potassium, mEq/L | 3.8 | 3.5-5.1 | ||
| Serum chloride, mEq/L | 106 | 97-109 | ||
| Serum calcium, mg/dL | 5.3 | 8.8-10.3 | ||
| Serum ionized calcium, mEq/L | 1.32 | 2.0-2.7 | ||
| Serum phosphorus, mg/dL | 4.6 | 2.5-4.5 | ||
| Serum magnesium, mEq/L | 0.3 | 1.4-2.2 | ||
| Intact PTH, pg/mL | 111 | 10-65 | ||
| 25-hydroxyvitamin D, ng/mL | 7.4 | 20-50 | ||
| 1,25-dihydroxyvitamin D, pg/mL | 36 | 20-60 | ||
| TRACP5b, mU/dL | 614 | 170-590 | ||
| BALP, μg/L | 20.6 | 3.7-20.9 | ||
| Urine magnesium, mEq/L | 0.5 | NA | ||
| FEMg, % | 8 | NA | ||
| Urine magnesium/creatinine ratio, mEq/g Cr | 1.0 | NA | ||
| FECa, % | 1.4 | NA | ||
| Calcium/creatinine ratio, mg/g Cr | 21 | <140 | ||
| TmP/GFR, mg/dL | 5.7 | 2.3-4.3 | ||
| Urine potassium/creatinine ratio, mEq/g Cr | 28.9 | NA |
Cr: creatinine, BALP: bone alkaline phosphatase, eGFR: estimated glomerular filtration rate, FECa: fractional excretion of calcium, FEMg: fractional excretion of magnesium, NA: not available, PTH: parathyroid hormone, Scr: serum creatinine, TRACP5b: tartrate-resistant acid phosphatase-5b, TmP/GFR: ratio of tubular maximum reabsorption rate of phosphate to glomerular filtration rate