Common Test-Ordering Errors
Part 6: Overordered Microbiology Tests

Testing at Mayo Medical Laboratories

September 2010

We have similar reservations for bacterial antigen testing performed on CSF and instead recommend Gram stain, culture, and PCR-based viral testing. Mayo Medical Laboratories' "Enterovirus RNA Detection by Rapid Polymerase Chain Reaction (PCR)" is a spinal fluid test that detects the enteroviruses that are the most common causes of meningitis—coxsackievirus, echovirus, and poliovirus—which account for ~80% of cases.

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Diagnosis of Meningitis

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Jump to section:

• Introduction
• Testing at Mayo Medical Laboratories
• Common MML Test-Ordering Errors
• Common Microbiology Test-Ordering Problems
• HIV Qualitative & Quantitative; Both Ordered
• Bacterial Antigen Testing
• Diagnosing Bacterial Meningitis
• Bacterial Antigen Testing
• Bacterial Antigen Testing Limitations
• MML Discontinued Serum Bacterial Antigen Testing
• Diagnosis of Meningitis
• Conclusion
• Questions?