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LD, CSF [1687X]
Test CodeCSFLD
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
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