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Volume 11, Number 7—July 2005
Letter

Comparing Diagnostic Coding and Laboratory Results

Asha J. Riegodedios*Comments to Author , Anuli Ajene*, Mark A. Malakooti*, Joel C. Gaydos†, Victor H. MacIntosh†, and Bruce K. Bohnker*1
Author affiliations: *Navy Environmental Health Center, Portsmouth, Virginia, USA; †Department of Defense Global Emerging Infections Surveillance and Response System, Silver Spring, Maryland, USA

Main Article

Table

Clinical records with associated laboratory test results*

Disease† Inpatient records (SIDR)
Outpatient records (SADR)
No. records selected No. tests ordered (%) No. confirmatory results (%)‡ No. records selected No. tests ordered (%)§ No. confirmatory results (%)‡¶
Malaria 3 3 (100.0) 1 (33.3) 17 8 (47.1) 1 (5.9)
Syphilis 1 1 (100.0) 1 (100.0) 44 31 (70.4) 12 (27.3)
Acute hepatitis B 16 8 (50.0) 1 (6.3) 39 32 (82.1) 5 (12.8)
Lyme disease 1 1 (100.0) 1 (100.0) 55 29 (52.7) 6 (10.9)
Total 21 13 (61.9) 4 (19.0) 155 100 (64.5) 24 (15.5)

*This table presents Standard Inpatient Data Records (SIDR) and Standard Ambulatory Data Records (SADR) studied and percentages with appropriate laboratory tests ordered and confirmatory laboratory test results.
†International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) codes: malaria, 084.0–084.6; syphilis, 090, 091, 095, 096; acute hepatitis B, 070.30, 070.31; Lyme disease, 088.81.
‡Percentages reported reflect the proportion of records that had positive confirmatory laboratory results.
§Summary χ2 = 11.5; p = 0.01.
¶Summary χ2= 7.0; p = 0.07.

Main Article

1Preliminary findings were presented at the US Army Force Health Protection Conference, August 2003, Albuquerque, NM; the International Conference on Emerging Infectious Diseases, February 2004, Atlanta, GA; and the Navy Occupational Health and Preventive Medicine Workshop, March 2004, Norfolk, VA.

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The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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