20659-9
LaboratoryTryptophan [Moles/volume] in Serum or Plasma
Definition
Genetic metabolic specialist (from Canada) point out that plasma may be the traditional sample of choice, but they see no clinically significant difference between plasma and serum amino acids.
LOINC 6-Axis Classification
Component
Tryptophan
Property
SCnc
Time Aspect
Pt
System
Ser/Plas
Scale Type
Qn
Method Type
N/A
Details
Class
CHEM
Order/Observation
Observation
Short Name
Tryptophan SerPl-sCnc
Display Name
Tryptophan [Moles/Vol]
Related Names
Frequently Asked Questions
What is LOINC code 20659-9?
LOINC code 20659-9 identifies "Tryptophan [Moles/volume] in Serum or Plasma". Genetic metabolic specialist (from Canada) point out that plasma may be the traditional sample of choice, but they see no clinically significant difference between plasma and serum amino acids.
What does 20659-9 measure?
This code measures Tryptophan in Ser/Plas. It belongs to the CHEM class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.