How are CSF tubes distributed for laboratory processing?

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Multiple Choice

How are CSF tubes distributed for laboratory processing?

CSF samples are split into multiple tubes because each test has its own handling needs and time sensitivity. Two tubes are directed to hematology to measure cell counts, differential, and cytology; preserving and examining CSF cells requires a dedicated aliquot so cell integrity and morphology remain reliable for accurate counting and cytospin prep. One tube goes to chemistry to assess chemical constituents like glucose and protein, since these analytes can change with time or cell breakdown if mixed with other tests. The remaining tube is sent to microbiology for Gram stain and culture, which benefits from a clean, prompt sample to maximize pathogen detection and avoid interference from other tests. This approach provides enough volume for all required analyses and keeps tests from compromising one another.

CSF samples are split into multiple tubes because each test has its own handling needs and time sensitivity. Two tubes are directed to hematology to measure cell counts, differential, and cytology; preserving and examining CSF cells requires a dedicated aliquot so cell integrity and morphology remain reliable for accurate counting and cytospin prep. One tube goes to chemistry to assess chemical constituents like glucose and protein, since these analytes can change with time or cell breakdown if mixed with other tests. The remaining tube is sent to microbiology for Gram stain and culture, which benefits from a clean, prompt sample to maximize pathogen detection and avoid interference from other tests. This approach provides enough volume for all required analyses and keeps tests from compromising one another.

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