Lactate Dehydrogenase Total, Body Fluid

Casandra

Casandra Test Code AR77274Version 1 (DRAFT)

Performing Lab

Lab ARUP LaboratoriesLab Test ID 0020505CPT Code 83615

Lactate Dehydrogenase Total, Body Fluid

Also known as: LDH-FL

Clinical Use

Order Test

Use

Lactate Dehydrogenase (LDH) is an enzyme that is found in almost all of the body's tissues, including the body's fluid compartments. It's typically measured to assess tissue breakdown or hemolysis and is an important marker in clinical medicine for conditions leading to elevated LDH levels in body fluids such as cerebrospinal (CSF), pericardial, peritoneal/ascites, pleural, or synovial fluids. The test results can assist in diagnoses such as infections, inflammations, and other pathologies affecting these fluid compartments.

Special Instructions

Specimen source must be provided when ordering this test. Ensure the specimen is not hemolyzed and is free of cellular materials for optimal results. Different specimens have specific handling requirements post-collection. Clinicians should refer to body fluid reference ranges for interpretive guidance.

Limitations

The test is not FDA cleared or approved but is performed in a CLIA certified laboratory, indicating it is valid for clinical use. Performance characteristics were determined by ARUP Laboratories. Results may be affected by the condition of the specimen, thus hemolyzed or incorrectly collected and stored specimens may yield inaccurate results. Specimens collected in inappropriate containers (e.g., EDTA, potassium oxalate) or overly viscous specimens may not be accepted for testing.

Test Details

New York Approved

Methodology

Automated Analyzer (Clinical Chemistry)

Biomarkers

Targets not provided.

LOINC Codes

Order Codes

14803-1

Result Codes

31208-2

Result Turnaround Time

1 day

Specimen

Body Fluid

Volume

1 mL

Minimum Volume

0.2 mL

Container

ARUP Standard Transport Tube

Collection Instructions

Centrifuge to remove cellular material.

Storage Instructions

Refrigerated.

Causes for Rejection

Specimen types other than those listed. Specimens collected in EDTA, potassium oxalate, or sodium fluoride. Hemolyzed specimens. Specimens too viscous to be aspirated by instrument.