Lactate Dehydrogenase (LD), CSF

Test Code

LAB6649

Quest Code

1687

CPT Codes
83615

Preferred Specimen

1 mL CSF collected in a sterile plastic screw-cap container

Minimum Volume

0.5 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable

Methodology
Ultra Violet Kinetic

Setup Schedule

Set up: Daily; Report available: 1-2 days

Reference Range

≤25 U/L

Clinical Significance

LD in cerebrospinal fluid has been studied in association with bacterial and viral meningitis, malignancy, neonatal CNS hemorrhage, and stroke.

Performing Laboratory
Quest Diagnostics Chantilly Nichols Institute
14225 Newbrook Dr.
Chantilly, VA 20151-2228

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.