74303-9
LaboratoryPhenylalanine [Moles/volume] in DBS --post therapeutic diet
Definition
This test measures the phenylalanine (PHE) level in children who have been diagnosed with phenylketonuria or tyrosinemia and are on a therapeutic diet for their condition. The parent of the patient collects the dried blood spot specimen at home and sends it to the laboratory. The phenylalanine level is used in combination with tyrosine and succinylacetone levels to monitor the patient's progress.
LOINC 6-Axis Classification
Component
Phenylalanine^post therapeutic diet
Property
SCnc
Time Aspect
Pt
System
Bld.dot
Scale Type
Qn
Method Type
N/A
Details
Class
CHAL
Order/Observation
Both
Short Name
Phe p diet DBS-sCnc
Display Name
Phenylalanine post therapeutic diet (DBS) [Moles/Vol]
Related Names
Frequently Asked Questions
What is LOINC code 74303-9?
LOINC code 74303-9 identifies "Phenylalanine [Moles/volume] in DBS --post therapeutic diet". This test measures the phenylalanine (PHE) level in children who have been diagnosed with phenylketonuria or tyrosinemia and are on a therapeutic diet for their condition. The parent of the patient collects the dried blood spot specimen at home and sends it to the laboratory. The phenylalanine level is used in combination with tyrosine and succinylacetone levels to monitor the patient's progress.
What does 74303-9 measure?
This code measures Phenylalanine^post therapeutic diet in Bld.dot. It belongs to the CHAL 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.