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Table 1 Patient’s lab results on presentation

From: Vitamin D deficiency and fatigue: an unusual presentation

Lab Value Reference range
White blood cell 5.2 4.0–10.0 thousands/cu mm
Hemoglobin 13.9 13.0–16.0 g/dL
Sodium 142 136–145 mmol/L
Potassium 4.0 3.3–5.1 mmol/L
CO2 28 22–30 mmol/L
BUN 17 6–20 mg/dL
Creatinine 0.99 0.80–1.20 mg/L
Glucose 92 65–99 mg/dL
AST 14 0–37 U/L
ALT 15 0–41 U/L
Total CPK 128 30–170 U/L
Erythrocyte sedimentation rate 10 0–10 mm/h
Vitamin B12 1031 243–846 pg/mL
TSH 2.96 0.27–4.20 mL U/L
Testosterone free 47 47–244 pg/mL
CEA 2.1 0.0–4.3 ng/mL
Serum 25-hydroxy vitamin D 18.3 >29 ng/mL