Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
Lactic Acid, CSF
Soft Order Code
LACSF

Test Updated:

Synonyms

LACTIC, CSF
LACCSF
LACSF
Lactate Spinal Fluid

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Colorimetric Enzyme Assay

Test Usage

Lactic acid in CSF normally parallels blood levels. With alterations in the CNS, CSF lactic acid levels change independently of blood values. Unlike bacterial meningitis, viral meningitis lactic acid levels in CSF are not usually elevated.

Reference Range

No established reference range.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect CSF and place in sterile tube or container.

Collection Offsite

Collect spinal fluid and place in a sterile tube or container. Freeze.

Normal Volume
1 mL CSF
Minimum Volume
0.5 mL CSF

Billing Information

CPT Code
83605
Pro Fee Code
 
LOINC
2520-5

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.