74481-3

LOINC 2.82

Tyrosine/Phenylalanine [Molar ratio] in DBS

Tyrosine/Phe DBS-sRto

Definition

  • The tyrosine to phenylalanine ratio is one of the values used to screen newborns for Tyrosinemia types I, II and III.

Component

  • Tyrosine/Phenylalanine

Specimen / system

  • Bld.dot

Class

  • CHEM

Property

  • SRto

Scale

  • Qn

Related names

  • Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; Phe; PKU; Point in time; PPA; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio; Tyr; WB; Whole blood

Index terms

  • Blood
  • Chemistry
  • DBS
  • Dried blood spot
  • Filter paper
  • FP
  • Phe
  • PKU
  • Point in time
  • PPA
  • QNT
  • Quan
  • Quant
  • Quantitative
  • Random
  • Scrto
  • Substance concentration ratio
  • Substance ratio
  • Tyr
  • WB
  • Whole blood