Document Detail


Ascertainment of colonoscopy indication using administrative data.
MedLine Citation:
PMID:  20393875     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Administrative procedure code data can estimate colonoscopy utilization; however, determining colonoscopy indication is more difficult as procedure codes do not inherently reflect the purpose (screening, surveillance, diagnosis) of the colonoscopy. AIM: To improve the reported sensitivity (70%) and specificity (72%) of a published algorithm for identifying screening colonoscopies using Veterans Health Administration (VHA) administrative data. METHODS: We validated three algorithms for determining colonoscopy indication using medical records as the gold standard in a national sample of 650 patients. Algorithms used International Classification of Diseases, 9th Revision (ICD-9) and Current Procedural Terminology (CPT) codes. Medical records were manually abstracted using standardized protocols. RESULTS: The best algorithm had 83% sensitivity and 76% specificity for screening indication. Over 99% of colonoscopy CPT codes corresponded to a colonoscopy in the medical record. CONCLUSIONS: VHA procedure codes are very accurate for colonoscopy utilization; however, algorithms to ascertain indication have only moderate accuracy.
Authors:
Deborah A Fisher; Janet M Grubber; John M Castor; Cynthia J Coffman
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Validation Studies    
Journal Detail:
Title:  Digestive diseases and sciences     Volume:  55     ISSN:  1573-2568     ISO Abbreviation:  Dig. Dis. Sci.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-11     Completed Date:  2010-07-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7902782     Medline TA:  Dig Dis Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1721-5     Citation Subset:  AIM; IM    
Affiliation:
Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, Durham, NC, USA. fishe034@mc.duke.edu
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Algorithms
Colonoscopy / statistics & numerical data*,  utilization
Current Procedural Terminology
Data Mining*
Databases as Topic
Electronic Health Records
Female
Health Services Research
Humans
International Classification of Diseases
Male
Mass Screening / methods,  statistics & numerical data*,  utilization
Middle Aged
Patient Selection*
Predictive Value of Tests
Reproducibility of Results
Time Factors
United States
United States Department of Veterans Affairs / statistics & numerical data*
Comments/Corrections
Comment In:
Dig Dis Sci. 2010 Jun;55(6):1506-8   [PMID:  20428943 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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