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| Organization: | Alberta Precision Laboratories | ||||||||
| Message Alert: | PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing. | ||||||||
| Test Name/Synonym: | Neopterin and Tetrahydrobiopterin, CSF (Synonym: Pterin Metabolites, BH4 Synthesis and Recycling Defects) | ||||||||
| Ordering Alert: | Call the Alberta Children’s Hospital (ACH) Biochemical Genetics Laboratory (403) 955-7379 or the University of Alberta Hospital (UAH) Biochemical Genetics Laboratory (780) 407-8820 to notify the lab of the scheduled lumbar puncture. | ||||||||
| Collection Alert: | Call the ACH Biochemical Genetics Laboratory (403) 955-7379 between 0800h – 1500h or the UAH Biochemical Genetics Laboratory (780) 407-8820 between 0800h – 1200h, Monday to Friday, to obtain the special collection tubes and collection instructions. Collection tubes must remain refrigerated or on ice until specimens are collected and frozen. | ||||||||
| LABID (Connect Care): | LAB9674 | ||||||||
| Specimen Collection Requirements: | Testing is referred out to MNG/Labcorp, please view Neopterin/Tetrahydrobiopterin (CSF) details for further information. | ||||||||
| Test Resources: | Submit request using the applicable requisition or Connect Care online order entry:
Please ensure all required information, including patient's clinical history/indication, is provided on the requisition. | ||||||||
| Processing: | If specimen is not blood contaminated, immediately freeze at -80°C. If specimen is blood contaminated, spin tube at 3000 rpm for 5 minutes at 4°C. Label a second sterile tube and transfer the spun specimen to the new sterile tube. Immediately freeze at -80°C. If specimen was blood contaminated, indicate this on the requisition or add as a Specimen Flag comment in Connect Care. | ||||||||
| Transportation: | Deliver specimens to ACH or UAH Biochemical Genetics Lab as soon as possible on dry ice. | ||||||||
| Testing Area: | Referred Out Specimens should be sent to UAH External Send Out bench (North) or ACH Genetics & Genomics (South). | ||||||||
| Performing Site: | Referred out to MNG/Labcorp | ||||||||
| Last Updated On: | Monday, November 27, 2023 | ||||||||
| Date of Last Review: | Aug 1 2022 12:00AM | ||||||||
