Abstract
We hypothesized that SNOMED CT, a granular formal reference terminology, could be used to assist in the creation of a valid crosswalk between two administrative classifications: the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) and the U.S. Veterans Benefits Administration (VBA) disability code set. To establish a baseline, we created an ICD-9-CM terminology server and directly mapped textual descriptions of the VBA disability codes to ICD-9-CM. We next mapped ICD-9-CM and the VBA Disability codes to SNOMED CT. The SNOMED CT mappings were matched across classification systems and terms from related concepts were displayed for an expert coder's review. We report the rate of direct ICD-9-CM to VBA Disability Code mapping (26%), the eventual success of the SNOMED CT based crosswalk (95%) and the rate at which the reviewer had to add codes to complete the mapping (99%). The method using the SNOMED CT crosswalk provided significantly better coverage than the ICD-9-CM direct mapping alone (Pearson Chi Square test; p<0.001). We conclude that SNOMED CT can be a useful adjunct to direct mapping between administrative classifications.
| Original language | English (US) |
|---|---|
| Title of host publication | Studies in Health Technology and Informatics |
| Pages | 636-639 |
| Number of pages | 4 |
| Volume | 129 |
| State | Published - 2007 |
| Event | 12th World Congress on Medical Informatics, MEDINFO 2007 - Brisbane, QLD, Australia Duration: Aug 20 2007 → Aug 24 2007 |
Other
| Other | 12th World Congress on Medical Informatics, MEDINFO 2007 |
|---|---|
| Country | Australia |
| City | Brisbane, QLD |
| Period | 8/20/07 → 8/24/07 |
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Keywords
- International Classification of Diseases
- semantics
- Systematized Nomenclature of Medicine
- terminology
- United States Department of Veterans Affairs
ASJC Scopus subject areas
- Biomedical Engineering
- Health Informatics
- Health Information Management
Cite this
Using SNOMED CT®as a reference terminology to cross map two highly pre-coordinated classification systems. / Brown, Steven H.; Husser, Casey S.; Wahner-Roedler, Dietlind; Bailey, Sandra; Nugent, Linda; Porter, Karla; Bauer, Brent A; Elkin, Peter L.
Studies in Health Technology and Informatics. Vol. 129 2007. p. 636-639.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Using SNOMED CT®as a reference terminology to cross map two highly pre-coordinated classification systems
AU - Brown, Steven H.
AU - Husser, Casey S.
AU - Wahner-Roedler, Dietlind
AU - Bailey, Sandra
AU - Nugent, Linda
AU - Porter, Karla
AU - Bauer, Brent A
AU - Elkin, Peter L.
PY - 2007
Y1 - 2007
N2 - We hypothesized that SNOMED CT, a granular formal reference terminology, could be used to assist in the creation of a valid crosswalk between two administrative classifications: the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) and the U.S. Veterans Benefits Administration (VBA) disability code set. To establish a baseline, we created an ICD-9-CM terminology server and directly mapped textual descriptions of the VBA disability codes to ICD-9-CM. We next mapped ICD-9-CM and the VBA Disability codes to SNOMED CT. The SNOMED CT mappings were matched across classification systems and terms from related concepts were displayed for an expert coder's review. We report the rate of direct ICD-9-CM to VBA Disability Code mapping (26%), the eventual success of the SNOMED CT based crosswalk (95%) and the rate at which the reviewer had to add codes to complete the mapping (99%). The method using the SNOMED CT crosswalk provided significantly better coverage than the ICD-9-CM direct mapping alone (Pearson Chi Square test; p<0.001). We conclude that SNOMED CT can be a useful adjunct to direct mapping between administrative classifications.
AB - We hypothesized that SNOMED CT, a granular formal reference terminology, could be used to assist in the creation of a valid crosswalk between two administrative classifications: the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) and the U.S. Veterans Benefits Administration (VBA) disability code set. To establish a baseline, we created an ICD-9-CM terminology server and directly mapped textual descriptions of the VBA disability codes to ICD-9-CM. We next mapped ICD-9-CM and the VBA Disability codes to SNOMED CT. The SNOMED CT mappings were matched across classification systems and terms from related concepts were displayed for an expert coder's review. We report the rate of direct ICD-9-CM to VBA Disability Code mapping (26%), the eventual success of the SNOMED CT based crosswalk (95%) and the rate at which the reviewer had to add codes to complete the mapping (99%). The method using the SNOMED CT crosswalk provided significantly better coverage than the ICD-9-CM direct mapping alone (Pearson Chi Square test; p<0.001). We conclude that SNOMED CT can be a useful adjunct to direct mapping between administrative classifications.
KW - International Classification of Diseases
KW - semantics
KW - Systematized Nomenclature of Medicine
KW - terminology
KW - United States Department of Veterans Affairs
UR - http://www.scopus.com/inward/record.url?scp=78649900211&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=78649900211&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:78649900211
SN - 9781586037741
VL - 129
SP - 636
EP - 639
BT - Studies in Health Technology and Informatics
ER -