Lactic Acid, CSF

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.

Test Details

Days Set Up

Daily, 24 hours

Analytic Time

2 hours

Soft Order Code

LACSF

MiChart Code

Lactic Acid, CSF

Synonyms

Lactate Spinal Fluid

Laboratory

Chemical Pathology

Section

Automation

Specimen Requirements

Collection Instructions

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

Normal Volume

1 mL CSF

Minimum Volume

0.5 mL CSF

Additional Information

This test has not been cleared nor approved by the U.S. Food and Drug Administration.

Billing

CPT Code

83605

Fee Code

20734

LOINC

2520-5

NY State Approved

No