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Cerebrospinal Fluid (CSF)
Sterile screw capped vial
Collect entire sample into a single sterile tube; FREEZE IMMEDIATELY
Freeze immediately after collection, sample stability is limited if left
Room Temperature: Not stable; Refrigerated: Not stable; Frozen: 72 hours @ -20C, Indefinitely @ -80C; Freeze/Thaw: None
Bloody CSF; Received thawed
CSF Pyridoxal 5'-phosphate is useful for diagnosis of disorders leading to low CSF levels of this cofactor. This testing may also be used for assessment of Variants of Uncertain Significance (VUS) identified during genetic testing (e.g. Next Generation Sequencing or Capillary Sequencing Testing). CLINICAL Pryridoxal 5'phosphate (PLP) (a memeber of the vitamin B6 family) is required as a cofactor for over 100 different enzymes in the body. These may involve the metabolism of various neurotransmitters and amino acids. Inadequate PLP may occur due to genetic, nutritional deficiencies as well as reaction with various drugs. Inherited disorders that affect the CSF PLP level include pyridox(am)ine phosphate oxidase (PNPO) deficiency, alpha aminoadipic semialdehyde dehydrogenase deficiency, hyperprolinermia type 2 and hypophoshatasia due to alkaline phosphatase deficiency.
CSF Collection Tubes (set of 5 tubes per kit)
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|620034||Pyridoxal 5'-phosphate (CSF)||75056-2||620048||PLPCSF Results||75056-2|
|620034||Pyridoxal 5'-phosphate (CSF)||75056-2||620049||PLPCSF Interpretation||N/A|
|620034||Pyridoxal 5'-phosphate (CSF)||75056-2||630820||80563-0|