Cerebrospinal Fluid (CSF) Analysis is a medical test that checks the fluid around your brain and spinal cord. It helps diagnose diseases like infections, bleeding, and neurological issues.
CSF Analysis
Here are the basic details of the CSF Analysis.
| Also Known As | CSF Testing, Spinal Fluid Analysis |
| Type | Diagnostic Test |
| Purpose | Diagnose central nervous system conditions |
| Sample Type | Cerebrospinal fluid |
| Preparation | Empty bladder and bowels, lie still during collection |
| Fasting | Not required |
| Gender | Unisex |
| Age Group | All |
| Normal Value | Varies by parameters |
| Reporting Time | 2-3 days |
| Cost | 150-1500 INR* |
*CSF Analysis Price range may vary as per location, lab type, and procedure of lab test.
CSF Analysis Means
- CSF Analysis Test is a diagnostic test assessing the clear, watery fluid surrounding the brain and spinal cord.
- It is used to diagnose conditions affecting the central nervous system, such as infections, bleeding, and neurological disorders.
- It involves collecting CSF through a lumbar puncture, providing insights into its composition.
- This test is crucial forentifying infections like meningitis, encephalitis, and detecting bleeding around the brain.
- It is vital in diagnosing various neurological disorders, including autoimmune conditions and tumors in the central nervous system.
- It enables tailored treatment plans to address specific central nervous system conditions, improving patient care and outcomes.
CSF Analysis Purpose
The purpose of the CSF Analysis is to:
- It's used toentify and diagnose infections like meningitis and encephalitis, allowing for timely treatment.
- CSF Analysis helps detect bleeding around the brain, which can be life-threatening if left undiagnosed.
- This test aids in diagnosing various neurological disorders, including multiple sclerosis and Alzheimer's disease.
- CSF Analysis is instrumental inentifying brain and spinal cord tumors, guiding treatment decisions.
- By providing insights into central nervous system health, CSF Analysis allows for personalized treatment plans, optimizing patient care.

CSF Analysis Preparation
Here is the basic preparation for the CSF Analysis.
Before Test
- Empty bladder and bowels.
- Follow any fasting instructions if provided.
- Discuss any medications with your healthcare provider.
During Test
- Remain still in a curled-up fetal position during the lumbar puncture.
- Notify the healthcare provider of any discomfort or abnormal sensations.
After Test
- Lie flat without lifting your head for one or more hours to prevent post-test headaches.
- Stay hydrated, consume caffeine, and take pain medication if advised by your healthcare provider.
CSF Analysis Procedure
Here is the basic CSF Analysis Procedure.
- Lumbar Puncture: A needle is inserted into the lower back to collect CSF.
- CSF Collection: Multiple sterile vials collect a small amount of cerebrospinal fluid.
- Pressure Reading: Initial and closing CSF pressure measurements are recorded.
- Needle Withdrawal: The needle is removed, and a sterile dressing is applied.
- Post-Test Rest: Lie flat without lifting your head for a specified duration to prevent headaches.
CSF Analysis Result
- Evaluate clarity, color, and viscosity for potential abnormalities.
- Assess glucose and protein concentrations compared to normal ranges.
- Examine white and red blood cell counts, noting any significant deviations from the norm.
CSF Analysis Test Normal Result Report

CSF Analysis Test Normal Report
CSF Analysis Test Normal Result Report PDF
CSF Analysis Test Abnormal Result Report

CSF Analysis Test Abnormal Report
CSF Analysis Test Abnormal Result Report
CSF Analysis Normal Range
Here is the normal range of the CSF Analysis.
| Parameter | Normal Range |
|---|
| Appearance | Clear and colorless |
| CSF Pressure | 70-180 mm H2O |
| Glucose | About 2/3 of blood glucose concentration |
| Protein | 15-45 mg/dL |
| White Blood Cells (WBC) | ≤ 5 cells/mm³ |
| Red Blood Cells (RBC) | None |
CSF Analysis Interpretation
Here is the Interpretation of the CSF Analysis.
| Parameter | Interpretation |
|---|
| Appearance | Clear or cloudy signals infection or bleeding. |
| CSF Pressure | Elevated or low pressure may indicate issues. |
| Glucose | Low glucose hints at infection (e.g., meningitis). |
| Protein | Elevated protein suggests infection or neurological problems. |
| White Blood Cells | High count points to infections (e.g., meningitis). |
| Red Blood Cells | Presence indicates bleeding into the CSF. |
Cerebrospinal Fluid (CSF) Analysis assesses CSF for infections, bleeding, and neurological issues, providing vital diagnostic insights.
CSF Analysis Normal Result
Here is the normal result of the CSF Analysis.
| Causes | Effects |
|---|
| No infection or inflammation | Normal CSF appearance and cell counts |
| Normal glucose and protein levels | No indication of bacterial, viral, or fungal infections |
| Balanced white and red blood cell counts | Absence of bleeding or neurological disorders |
| Clear and colorless CSF | No signs of CSF pressure abnormalit |
CSF Analysis Abnormal Result
Here is the abnormal result of the CSF Analysis.
| Causes | Effects |
|---|
| No infection or inflammation | Normal CSF appearance and cell counts |
| Normal glucose and protein levels | No indication of bacterial, viral, or fungal infections |
| Balanced white and red blood cell counts | Absence of bleeding or neurological disorders |
| Clear and colorless CSF | No signs of CSF pressure abnormalities |
Normal CSF analysis results indicate no infections, inflammation, or neurological issues, with clear appearance and balanced cell counts.
Specimen Requirements For CSF Analysis
Here are the specimen requirements for the CSF Analysis.
Specimen | Cerebrospinal fluid (CSF) |
Volume | 1 mL |
Container | Sterile, capped tubes |
Storage | Refrigerate. Transport to the laboratory as soon as possible. |
Causes for Rejection | Improper labeling; quantity not sufficient for analysis; frozen specimen; specimen more than 24 hours old |
CSF Analysis is Safe?
- CSF analysis is generally safe when performed by a skilled healthcare provider.
- It carries minimal risks, such as headache, bleeding, or infection.
- Risks are outweighed by the valuable diagnostic information it provides.
- Potential complications are rare and usually manageable.
- Discuss any concerns with your healthcare provider.
When Do You Get CSF Analysis Results?
- CSF analysis results typically take a few days.
- Exact reporting times can vary based on the tests performed.
- Urgent cases may receive quicker results.
- Discuss timing with your healthcare provider.
CSF Analysis Limitation
Here is the basic limitation of CSF Analysis.
- CSF analysis has limitations and may not provide a definitive diagnosis on its own.
- Results must be interpreted in the context of the patient's clinical history and other diagnostic tests.
- False negatives can occur, especially in early-stage conditions.
- Some conditions may have overlapping CSF profiles, making diagnosis challenging.
- It's a supplementary tool, and results should be integrated into a broader diagnostic approach.
CSF Analysis Risk Factors
Here are some of the risk factors of the CSF Analysis.
- CSF analysis is generally low risk when performed by skilled professionals.
- Potential risks include headache, bleeding, or infection at the puncture site.
- Risks are rare and often manageable with proper care.
- Patients with bleeding disorders may face increased risk of bleeding complications.
- Discuss individual risk factors with your healthcare provider before the procedure.
Doctor Recommendations After CSF Analysis Result
Here are the Doctor's recommendations or consult a specialist after the CSF Analysis.
| CSF Analysis Result | Doctor to Consult | Reason |
|---|
| Normal | Primary Care Physician | Routine follow-up or symptom evaluation. |
| Abnormal | Neurologist or Specialist | Diagnosis and treatment of underlying condition. |
CSF Analysis Price
Here are the estimated CSF Analysis Prices in India with different top cities:
*CSF Analysis Prices are approximate and vary depending on a specific laboratory or healthcare facility.
Summary
Overall, CSF Analysis, a safe test, helps diagnose CNS disorders like infections, bleeding, and neurological issues, providing valuable insights for treatment. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.
Reference
- Cerebrospinal Fluid - Wikipedia [1].
- Cerebrospinal Fluid Analysis - NIH [2].