Volume 9, Number 2—February 2003
Research
Viral Encephalitis in England, 1989–1998: What Did We Miss?
Katy L. Davison*
, Natasha S. Crowcroft*, Mary E. Ramsay*, David W.G. Brown†, and Nick J Andrews*
, Natasha S. Crowcroft*, Mary E. Ramsay*, David W.G. Brown†, and Nick J Andrews*Table 1
Diagnostic codes used to identify cases of viral encephalitis in hospital episode statistics
| Encephalitis diagnosis |
ICD-9a |
ICD-10a |
||
|---|---|---|---|---|
| Specific diagnosis: | Exotic virus | 0620–0629, 0630–0638, 064, 0661, 0622, 3233 | A830–A839, A840–A849, A852 | |
| Herpes simplex virus |
0543 |
B004 |
||
| Varicella-zoster virus 1 |
Undefined |
B011, B020 |
||
| Measles virus |
0550 |
B050 |
||
| Mumps |
0722 |
B262 |
||
| Rubella |
0560, 0567 |
B060 |
||
| Lymphocytic choriomeningitis virus |
0490, 3126 |
A872 |
||
| Adenovirus |
Undefined |
A851 |
||
| Other |
0498, 3234 |
A858 |
||
| Nonspecific diagnosis: | Unspecified | 0499, 3239 | A86, G051 | |
aICD, International Classification of Disease.
