Parents
What's a Spinal Tap (Lumbar Puncture)? (Video)
What's a Spinal Tap (Lumbar Puncture)?
A lumbar puncture, or spinal tap, is a medical test that involves collecting a small sample of cerebrospinal fluid (CSF) for examination. This clear, colorless liquid helps "cushion" the brain and spinal cord, or central nervous system.
Doctors use the fluid sample to look for signs of possible infections or other illnesses.
Lumbar Puncture
Medically reviewed by: KidsHealth Medical Experts
Date reviewed: January 2022
Note: All information is for educational purposes only. For specific medical advice,
diagnoses, and treatment, consult your doctor.
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Images sourced by The Nemours Foundation and Getty Images.
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- Humana Healthy Horizons
- Humana Healthy Horizons Extras
- Member Support
- Care management
- Caregiver resources
- Child well-being
- Disease management
- Documents and forms
- Enrollment
- Grievances and appeals
- Health and wellness
- KidsHealth
- Member Handbook
- New Member Resources
- News and alerts
- OhioRISE Plan
- Pregnancy outcomes
- Tobacco cessation
- Why Humana
- Your primary care provider
- For Providers
- Contact us
- Accessibility