Neopterin, CSF




Test Mnemonic

NEOCSF

CPT Codes

  • 82542 - QTY (1)

Performing Laboratory

Medical Neurogenetics


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
4.5 mLCerebrospinal fluid (CSF)Set of 5 MNG Collection TubesPlace specimen on ice after draw.FrozenCSF should be collected from the first drop into the containers in the order indicated. Fill each tube to the marked line (0.5 mL in tube 1; 1.0 mL in tubes 2, 3, 4, and 5). Place specimens on ice after collection. Call Client Services at 216-444-5755 or 800-628-6816 to obtain appropriate specimen collection containers.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLCerebrospinal fluid (CSF)Clean containerPlace specimen on ice after draw.FrozenThis specimen is to be used if Neopterin is the only CSF Medical Neurogenetics test ordered. The minimum specimen is 0.5 mL

Stability

Environmental Condition Description
FrozenIndefinitely
AmbientUnacceptable
RefrigeratedUnacceptable

Days Performed

Tue - Fri

Turnaround Time

15 - 17 days

Methodology

Name Description
HPLC with Fluorescent and Electrochemical Detection 

Reference Range

Neopterin, CSF
Sex Age From Age To Type Range Range Unit
   Years5 YearsNormal7 - 65nmol/L
 5 Years10 YearsNormal7 - 40nmol/L
 10 Years15 YearsNormal8 - 33nmol/L
 16 Years99 YearsNormal8 - 28nmol/L

Special Info

Place specimen on ice after draw. CSF should be collected from the first drop into the containers in the order indicated. Fill each tube to the marked line (0.5 mL in tube 1; 1.0 mL in tubes 2, 3, 4, and 5). Place specimens on ice after collection. Call Client Services at 444-5755 to obtain appropriate specimen collection containers.