TRYPTOPHAN, SERUM/PLASMA

Sample, Method, Reference Value and Delivery Time Modification
*REFERENCE VALUE CORRECTION (0-1 month and 1 month - 2 years)

Test code: 3968

Previous mnemonic code: TYRSCG

New mnemonic code: TRIPF

Effective update from 15/05/2023

PREVIOUS	NEW
Sample:   Frozen Serum or Frozen Plasma (EDTA, Heparine Litium) (1mL) Method: Gas Chromatography – Flame Ionization Detector (GC-FID) Reference values: <24 month        17-75 µmol/L 2-17 years       23-80 µmol/L >=18 years       29-77 µmol/L             Version of Test: 4	Sample: Frozen Plasma (EDTA) Method: HPLC with fluorimetric detection   Reference values: Premature          28–136 µmol/L 0 - 1 month         0–60 µmol/L 1 month - 2 years  23–71 µmol/L 2 - 18 years       0–79 µmol/L > 18 years         10–140 µmol/L        Version of Test:  5

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