Lactic Acid, CSF

Last Modified: 1/31/2022 11:25:38 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL CSF in a Sterile Container
Collection Instructions: If specimen is not clear or contains blood, centrifuge and separate supernatant before freezing

If multiple Fluid or CSF test are being requested please specify order of importance
Transport & Storage: Temperature/Stability: 3 hours Ambient
24 hours Refrigerated
90 day Frozen (Transport)
Rejection Criteria: Sample received not frozen • Gross hemolysis
Reference Range:
Neonate 10-60 mg/dL
3-10 Days 10-40 mg/dL
11 Days-15 Years 10-25 mg/dL
Adult 10-22 mg/dL
Critical Ranges:  
Test Comments:  
Methodology: Spectrophotometric
Clinical Significance:

Lactic acid levels in CSF normally parallel blood levels. Increased CSF lactic acid levels occur in trauma, seizure, brain abscess, multiple sclerosis and bacterial meningitis.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 1 to 2 days
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: MSOT
EPIC Test Code: MISC
Send Out Test Code: 1659
Alternate Test Names: Lactate; Lactate CSF
Included Tests:  
CPT Coding: 83605

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