You are viewing the site in preview mode

Skip to main content


Table 1 ICD-10 code diagnosis and the number of cases with a laboratory confirmed pathogen diagnosis

From: Should there be a standardised approach to the diagnostic workup of suspected adult encephalitis? a case series from Australia

ICD-10 Code Code name Cases Pathogen confirmed by laboratory test
Codes for "known" pathogens
A321 Listerial meningitis & meningoencephalitis 3 3
A858 Other specified viral encephalitis 3 2
B004 Herpesviral encephalitis 10 2
B011 Varicella encephalitis 1 1
B020 Zoster encephalitis 3 1
G052 Encephalitis, myelitis & encephalomyelitis-other infectious and parasitic diseases 1 0
G040 Acute disseminated encephalitis 1 N/A
Subtotal for "known" pathogens 22 9
Codes for "unknown" pathogens
G048 Other encephalitis, myelitis and encephalomyelitis 1 N/A
G049 Encephalitis, myelitis and encephalomyelitis, unspecified 10 N/A
A86 Unspecified viral encephalitis 41 N/A
Subtotal ("unknown" pathogens) 52 N/A
Grand Total   74 9