Altered mental status laboratory findings

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Pratik Bahekar, MBBS [2]

Laboratory findings may differ according to etiology.

• Complete blood count (CBC)
• Glucose
• Calcium
• Urinalysis
• Magnesium
• Blood urea nitrogen (BUN) / creatinine
• Arterial blood gases
• Pulse oximetry
• Vitamin B12
• Folate levels
• Thyroid function test
• Urine culture
• Blood culture.

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