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Test Code CSFLA or LAB187 Lactic Acid, CSF

Specimen Requirements

Container Type:

 

Required:  Sterile CSF vial

 

 
Optimal Collection Volume: 

4 mL
Minimum Volume:

1 mL 

Collection Instructions:

Use aseptic aspiration technique
Specimen Transport:

Refrigerated

Processing Instructions: 
  1. Pour off an aliquot from the sterile container.
  2. Centrifuge the aliquot.
  3. Deliver the aliquot to chemistry.

Specimen Stability

Specimen Type Temperature Time
CSF

Refrigerated

24 hours

Ambient 

 3 hours

Frozen

1 month

Specimen Rejection Criteria

Quantity not sufficient

Useful For

Detecting lactic acid in CSF fluid.

Methodology

Radiometer ABL 800 systems - Amperometric

Reference Ranges

Age

Reference Range and Reporting Units

Neonates

1.1-6.7 mmol/L

3-10 days

1.1-4.4 mmol/L

>10 days

1.1-2.8 mmol/L

Adults

1.1-2.4 mmol/L

 

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Chemistry - Kalamazoo

Sample Retention Time

7 days

CPT Code

83605

LOINC Code

2520-5