Validation of ICD-9-CM codes to identify gastrointestinal perforation events in administrative claims data among hospitalized rheumatoid arthritis patients.

ABSTRACT:

Purpose

To validate, using physician review of abstracted medical chart data as a gold standard, a claims-based algorithm developed to identify gastrointestinal (GI) perforation cases among rheumatoid arthritis (RA) patients.

Methods

Patients with established RA, aged 18 years or older with hospital admissions between January 2004 and September 2009, were selected from a large US-hospital-based database. An algorithm with International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) diagnosis codes for GI perforation and combinations of GI-related diagnosis codes and Current Procedural Terminology (CPT-4) procedure codes for relevant GI surgeries was used to identify potential GI perforation cases. Two senior experienced specialist physicians ind

SUBMITTER: Curtis JR 

PROVIDER: S-EPMC3227025 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature