Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
LDH, CSF
Soft Order Code
LDCSF

Test Updated:

Synonyms

LDH, CSF
LDCSF
Lactate Dehydrogenase Spinal Fluid

Looking to order a test?

We’ve provided helpful links to make ordering easy.

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

Lactate to Pyruvate at 340 nm

Test Usage

LDH in CSF is normally lower than serum activity. It may be increased in both bacterial and viral meningitis. Increases are also seen in certain brain diseases and states.

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 Instructions

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

Normal Volume
1 mL CSF
Minimum Volume
0.5 mL CSF

Billing Information

CPT Code
83615
Pro Fee Code
 
Insurance Auth Info
 
LOINC
2528-8

Have More Questions?

Explore our helpful billing resources:

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.