A Lumbar puncture (spinal tap) is a diagnostic procedure test of the spine (csf). It shows collects spinal fluid to test for infection, bleeding or inflammation. No ionising radiation when done without X-ray guidance.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Collects spinal fluid to test for infection, bleeding or inflammation.
Suspected meningitis, unexplained headache with fever.
Follow the centre's instructions; most need no special preparation.
No ionising radiation when done without X-ray guidance.
20 to 30 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Diagnostic procedure
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does a lumbar puncture show?
Collects spinal fluid to test for infection, bleeding or inflammation.
Why is a lumbar puncture done?
Suspected meningitis, unexplained headache with fever.
How do I prepare for a lumbar puncture?
Follow the centre's instructions; most need no special preparation.
Does a lumbar puncture use radiation?
No ionising radiation when done without X-ray guidance.
How long does a lumbar puncture take?
20 to 30 minutes
Why is Lumbar puncture (spinal tap) done?
Suspected meningitis, unexplained headache with fever.
How do I prepare for Lumbar puncture (spinal tap)?
Follow the centre's instructions; most need no special preparation.
Is Lumbar puncture (spinal tap) safe in pregnancy?
No ionising radiation when done without X-ray guidance.
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