Hemoptysis laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Laboratory Findings

• Complete blood count (CBC)
• Sputum for acid-fast stain
• Cytology
• Gram stain/culture
• Prothrombin time/partial thromboplastin time (PT / PTT)
• Pulse oximetry
• Urinalysis
• Blood urea nitrogen (BUN)/creatinine)
• Possible immunologic tests
• Arterial blood gases

Electrolyte and Biomarker Studies

• Electrolytes