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.
Rhinosinusitis laboratory findings
Introduction
Overview
Overview
There are several lab findings associated with rhinosinusitis, but these findings are nonspecific.
Laboratory Findings
Laboratory Findings
The following laboratory tests can be done when suspecting rhinosinusitis, but a positive result is unspecific:[1]
- Complete blood count (CBC), to detect for the presence of an infection
- Erythrocyte sedimentation rate (ESR)
- Sweat chloride test, to exclude cystic fibrosis
- Serum immunoglobulins, to exclude underlying immunodeficiency
- Allergy testing (RAST) may be done in cases of chronic sinusitis or acute recurrent sinusitis
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dima Nimri, M.D. [2]