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Table 1 ICD-9 codes and terms used in cohort selection and potential predictors of chronic uveitis

From: Profiling risk factors for chronic uveitis in juvenile idiopathic arthritis: a new model for EHR-based research

Primary cohort (juvenile idiopathic arthritis)

Outcome of interest (chronic uveitis)*

Reported and hypothesized patient factors associated with uveitis

Juvenile Arthritis ICD 9 codes

Uveitis ICD 9 codes

Medical status terms in dictated records:

696.0, 714.0, 714.2, 714.3, 714.9, 720.2, 720.9

364.00 (acute)*

Ana positive, positive ana, psoriasis, allergic, allergy, oligoarticular, oligo-onset, pauciarticular, pauci-onset, monoarthritis, monoarticular, rheumatoid factor positive, rf positive

364.10 (chronic)*

Terms in dictated reports used to confirm diagnosis of juvenile arthritis:

Terms in dictated reports used to confirm the diagnosis of uveitis:

Examples of allergy medications dictated in clinical records:

Juvenile idiopathic arthritis, jia, juvenile rheumatoid arthritis, jra, psoriatic arthritis, juvenile spondyloarthropathy, spondyloarthritis, enthesitis related arthritis, sacroiliitis, reactive arthritisand derivatives

Uveitis, iridocyclitis, iritis, and derivatives

Nasal steroids: Flonase, Nasacort

Oral Antihistamines: Allegra, Zyrtec,

Claritin, Clarinex, Benadryl, Xyzal

Nasal antihistamines: Astelin

Leukotriene inhibitors: Singulair

Decongestant: Sudafed

  1. *This is the convention used within our institution to differentiate between acute and chronic uveitis.