Yale New Haven Hospital

Department of Laboratory Medicine
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Lactate dehydrogenase (LD), CSF

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB3201

 

Synonyms: 

LD, CSF

Methodology: 

Enzymatic

Schedule: 

On request

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: 1.0 mL Cerebrospinal Fluid in a CSF Tube.
Pediatric volume: 0.3 mL.

 

Reference Interval:

         CSF LDH activity is typically ≤ 40 U/L in adults and ≤ 70 U/L in neonates

         Elevated LDH in CSF suggests an immune process including but not limited to bacterial meningitis, tumors, neurosyphilis, and Creutzfedt-Jakob Disease

         Contamination with red blood cells may falsely increase LDH levels

CPT Code(s): 

83615

Last Changed: 

7/2/2018 3:27 PM

Last Reviewed: 

8/23/2017 9:06 AM