Get the cheat sheet for uveitis labs
How to use this uveitis lab cheat sheet
|Complete blood count (CBC) with differential||Infection, anemia, leukemia|
|Erythrocyte sedimentation rate (ESR)||Nonspecific marker of inflammation (can be used to monitor treatment response)|
|C-reactive protein (CRP)||Nonspecific marker of inflammation (can be used to monitor treatment response)|
|Rheumatoid Factor (RF)||Rheumatoid arthritis and Sjogren’s syndrome, Juvenile Idiopathic Arthritis (JIA): iritis in children under the age of 16|
|Anti-nuclear antibody (ANA)||Many systemic autoimmune conditions, such as systemic lupus erythematosus (other labs include anti-SM, anti-dsDNA, anti-SSa/anti-SSb, anti-RNP and anticardiolipin (ACA) for more extensive lupus workup); scleroderma, JIA, psoriasis, and irritable bowel syndrome|
|HLA-B27||Seronegative Spondyloarthropathies: Ankylosing spondylitis, Reactive arthritis, Psoriatic arthritis, Inflammatory bowel disease|
|Chest x-ray||Sarcoidosis (chest x-ray is a better screening test than lab tests), Tuberculosis|
|PPD skin test or Quantiferon Gold serum test||Latent tuberculosis (note: patients have to return in 48-72 hours to interpret the PPD skin test)|
|Urinalysis||Tubulointerstitial nephritis and uveitis (TINU) (rare cause of pediatric bilateral uveitis)|
For ordering labs in cases of posterior uveitis, download the cheat sheet!
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