74481-3
LaboratoryTyrosine/Phenylalanine [Molar ratio] in DBS
Definition
The tyrosine to phenylalanine ratio is one of the values used to screen newborns for Tyrosinemia types I, II and III.
LOINC 6-Axis Classification
Component
Tyrosine/Phenylalanine
Property
SRto
Time Aspect
Pt
System
Bld.dot
Scale Type
Qn
Method Type
N/A
Details
Class
CHEM
Order/Observation
Both
Short Name
Tyrosine/Phe DBS-sRto
Display Name
Tyrosine/Phenylalanine (DBS) [Molar ratio]
Related Names
Frequently Asked Questions
What is LOINC code 74481-3?
LOINC code 74481-3 identifies "Tyrosine/Phenylalanine [Molar ratio] in DBS". The tyrosine to phenylalanine ratio is one of the values used to screen newborns for Tyrosinemia types I, II and III.
What does 74481-3 measure?
This code measures Tyrosine/Phenylalanine in Bld.dot. 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.