Abstract:Lupus nephritis (LN) is a severe complication of systemic lupus erythematosus (SLE). While LN has no designated ICD-9 code, various approaches have been used to identify patients in administrative data. The objective was to compare health resource utilization of LN patients using different algorithms in a single data source. METHODS: This study used the Impact Database, a commercial insurance claims database. SLE patients were identified using ICD-9 code 710.0 from ≥2 outpatient or 1 inpatient claims from 01/2… Show more
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