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Test Code FNEOS Neopterin


Specimen Required


Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube: Red top or serum gel

Submission Container/Tube: Amber vial

Specimen Volume: 0.8 mL Serum

Collection Instructions:

1. Centrifuge and aliquot 0.8 mL of serum into an amber vial to protect from light.

2. Send frozen.


Secondary ID

75451

Method Name

Enzyme Immunoassay (EIA)

Reporting Name

Neopterin, Serum

Specimen Type

Serum

Specimen Minimum Volume

Serum: 0.5 mL; Note: This volume does not allow for repeat testing.

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 180 days LIGHT PROTECTED
  Refrigerated  72 hours LIGHT PROTECTED

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Not light protected specimens Reject

Clinical Information

Refer to www.labcorp.com/test-menu/

Reference Values

Adults: <2.5 ng/mL

Day(s) Performed

Monday

Report Available

5 to 12 days

Performing Laboratory

LabCorp Burlington

CPT Code Information

83520

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FNEOS Neopterin, Serum 34908-4

 

Result ID Test Result Name Result LOINC Value
FNEOS Neopterin, Serum 34908-4

Cautions

In renal disease, neopterin concentrations are increased because of impaired excretion as well as increased production of the compound due to systemic inflammation.