Volume 19, Number 2—February 2013
Letter
Lymphocytic Choriomeningitis Virus Infections among American Indians
Table
Clinical features and diagnoses for 14 American Indian patients with an ICD-9-CM diagnosis code of 049.0 (lymphocytic choriomeningitis), Southwest and Southern Plains IHS regions, United States, fiscal years, 2001–09*
Patient no. | CNS signs and symptoms | Lymphocytes in CSF | Diagnosis | Status |
---|---|---|---|---|
1 | Yes | Yes | Viral meningitis | Suspected LCM |
2 | Yes | Yes | Lymphocytic meningitis | Suspected LCM |
3 | Yes | Yes | Lymphocytic meningitis | Suspected LCM |
4 | Yes | Yes | Lymphocytic meningitis | Suspected LCM |
5 | Yes | Yes | Tuberculosis meningitis | Miscoded |
6 | Yes | No | Lyme encephalitis | Miscoded |
7 | No | No | Lymphocele | Miscoded |
8 | No | No | Lymphocytic cholitis | Miscoded |
9 | No | No | Lymphocytic leukemia | Miscoded |
10 | No | No | Lymphocytic leukemia | Miscoded |
11 | No | No | Atypical lymphocytes | Miscoded |
12 | No | No | Reactive lymphocytes | Miscoded |
13 | No | No | Charcot foot anomaly | Miscoded |
14 | No | No | Tuberculosis | Miscoded |
*Diagnosis was the first listed or most clinically relevant written diagnosis from the medical record. Patient status (confirmed or suspected lymphocytic choriomeningitis [LCM] or miscode) was determined by the chart reviewer on the basis of the criteria. ICD-9-CM, International Classification of Diseases, 9th Revision, Clinical Modification; IHS, Indian Health Service; CNS, central nervous system; CSF, cerebrospinal fluid.