TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: FFTEN    
Tetrahydrobiopterin and Neopterin Profile (BH4, N)

Specimen Type Describes the specimen type validated for testing

CSF

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Medical Neurogenetics collection kit (T657) required.

Each collection kit contains 5 microcentrifuge tubes.

 

COLLECTION PROTOCOL:

1)     CSF should be collected from the first drop into the tubes in the  numbered order. Fill each tube to the marked line with the required volumes

Tube 1: 0.5 mL

Tube 2: 1.0 mL

Tube 3: 1.0 mL (contains antioxidants necessary to protect the sample integrity)

Tube 4: 1.0 mL

Tube 5: 1.0 mL

-       If sample's not blood contaminated, the tubes should be placed on dry ice at bedside

-       If sample's are blood contaminated, the tubes should immediately be centrifuged (prior to freezing) and the clear CSF transferred to new similarly labeled tubes, then frozen

-       Store samples at -80 until they can be shipped

2)     Complete Medical Neurogenetics, LLC request form. Include test required, sample date and date of birth.  

3)     Label tubes with patient name and ID number, leaving the tube number viewable.

4)     Place samples inside a specimen transport bag and the Medical Neurogenetics, LLC request form inside the pouch of the transport bag.

5)     Ship samples frozen on dry ice.

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Specimens other than CSF in special collection kit (T657)
Anticoagulants other than NA
Hemolysis NA
Lipemia NA
Icteric NA

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
CSFFrozenCSF KIT