Lactic Acid, CSF

Overview

  • EPIC Code:
  • LAB2639
  • Soft Test Code:
  • MSOT
  • Send Out Test Code:
  • 1659
Alternate Names
  • Lactate
  • Lactate CSF
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.


Specimen Collection & Preparation

Specimen Requirements:

-OR-

1.0 mL CSF in a Sterile Container
Specimen Information:

If multiple Fluid or CSF test are being requested please specify order of importance


Processing Instructions:

If specimen is not clear or contains blood, centrifuge and separate supernatant before freezing


Rejection Criteria:

Grossly hemolyzed

Sample received not frozen 


Transport and Storage:
  • Ambient (18-24°C): 3 Hours
  • Refrigerated (2-8°C): 24 Hours
  • Frozen (-20° C or colder): 90 Days

    Transport 

Clinical Interpretation

Reference Range:

Neonate 10-60 mg/dL
3-10 Days 10-40 mg/dL
11 Days-17 Years 10-25 mg/dL
Adult 10-22 mg/dL


Methodology:
  • Spectrophotometry (SP)
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.


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Sendouts - Miscellaneous
Turn Around Time

1 to 2 days


Coding & Compliance

CDM

00913333


CPT Coding

83605