OHSU Lab Test Directory Search Results

Meningitis/Encephalitis PCR, Culture and Gram Stain

Orderable EAP Code:
Billable EAP:
CPT Codes:
Lab Section:
Core Lab
Meningitis Pathogen Panel; Meningitis Panel; MEP; Meningitis; Encephalitis Panel; Meningitis PCR
Meningitis/Encephalitis PCR includes: C.neoformans/gattii, CMV, Enterovirus, E. coli (K1), H. influenza, HSV-1, HSV-2, HHV-6, Human parechovirus, L. monocytogenes, N. Meningitidis, S. agalacteiae, S. pneumoniae, VZV
Test Schedule:
24 hours/day, 7 days per week.

CSF only
Stable at RT – 2 hours
Stable in Refrigerator – 7 days
Minimum volume for MEP PCR – 0.5 ml
Refer to Gram Stain Test for minimum volume
Refer to Culture, CSF Test for minimum volume

Reference Range:

MEP PCR: Not Detected
GS: No organism seen
Culture: No growth

Meningitis/Encephalitis PCR is not a replacement for CSF bacterial and/or fungal culture and Cryptococcal Ag testing for at risk patients. Non-K1 E. coli serotypes and non-encapsulated strains of N. meningitidis are NOT detected. The panel does NOT differentiate active from latent HSV infections.
Critical Values:
Any detected organism
Turnaround time:
MEP, PCR – 4 hours from receipt 
Gram Stain- refer to Gram Stain test
Culture, CSF – refer to Culture test