
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Sleep apnea laboratory findings
Introduction
Overview
Overview
Laboratory tests are not diagnostic of sleep apnea. Occasionally evidence of anemia, polycythemia, proteinuria, hypercapnia, or low T4 may be found.
Sleep Apnea Laboratory Findings
Sleep Apnea Laboratory Findings
Laboratory tests are not diagnostic of sleep apnea
- The following lab abnormalities may be occasionally found:
- CBC may demonstrate either anemia or polycythemia (due to hypoxemia)
- Urinalysis may demonstrate proteinuria (due to development of renal disease)
- Arterial blood gas analysis (ABG) may demonstrate hypercapnia (due to respiratory failure)
- Thyroid function tests may demonstrate low T4 concentration (due to hypothyroidism)
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Saarah T. Alkhairy, M.D.
