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LD, CSF [1687X]

Test Code
CSFLD


Alias/See Also
16878; 1687X


CPT Codes
83615

Preferred Specimen
1 mL CSF collected in a sterile, leak-proof 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: Sun-Fri a.m., night, Sat a.m.; Report available: Next day after receipt at the performing laboratory. Add two (2) days for transport.


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 Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153


Last Updated: August 18, 2023


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.