Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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All medical tests (102,751)
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Phenylalanine [Measurement] in DBS
Blood test
Phenylalanine [Measurement] in Serum or Plasma
Other
Phenylalanine [Moles/mass] in Hair
Other
Phenylalanine [Moles/time] in 24 hour Urine
Other
Phenylalanine [Moles/volume] in 24 hour Urine
Other
Phenylalanine [Moles/volume] in Amniotic fluid
Other
Phenylalanine [Moles/volume] in Body fluid
Other
Phenylalanine [Moles/volume] in Cerebral spinal fluid
Other
Phenylalanine [Moles/volume] in DBS
Other
Phenylalanine [Moles/volume] in DBS --post therapeutic diet
Blood test
Phenylalanine [Moles/volume] in Serum or Plasma
Other
Phenylalanine [Moles/volume] in Specimen
Other
Phenylalanine [Moles/volume] in Urine
Other
Phenylalanine [Moles/volume] in Vitreous fluid
Blood test
Phenylalanine [Presence] in Blood
Blood test
Phenylalanine [Presence] in Blood by Guthrie test
Other
Phenylalanine [Presence] in DBS
Blood test
Phenylalanine [Presence] in Serum or Plasma
Other
Phenylalanine [Presence] in Urine
Other
Phenylalanine and Tyrosine panel - DBS
Blood test
Phenylalanine and Tyrosine panel - Serum or Plasma
Blood test
Phenylalanine disorders multigene analysis in Blood or Tissue by Molecular genetics method
Blood test
Phenylalanine hydroxylase Ab [Units/volume] in Serum
Other
Phenylalanine intake 24 hour Estimated
Other
Phenylalanine intake 24 hour Measured
Blood test
Phenylalanine+Tyrosine [Presence] in Blood
Other
Phenylalanine+Tyrosine [Presence] in Urine
Other
Phenylalanine/Amino acids.total in Amniotic fluid
Other
Phenylalanine/Amino acids.total in Cerebral spinal fluid
Other
Phenylalanine/Amino acids.total in DBS
Other
Phenylalanine/Amino acids.total in Hair
Blood test
Phenylalanine/Amino acids.total in Serum or Plasma
Other
Phenylalanine/Amino acids.total in Specimen
Other
Phenylalanine/Creatinine [Mass Ratio] in 24 hour Urine
Other
Phenylalanine/Creatinine [Mass Ratio] in Urine
Other
Phenylalanine/Creatinine [Measurement] in Urine
Other
Phenylalanine/Creatinine [Molar ratio] in 24 hour Urine
Other
Phenylalanine/Creatinine [Molar ratio] in Urine
Other
Phenylalanine/Creatinine [Ratio] in 24 hour Urine
Other
Phenylalanine/Creatinine [Ratio] in Urine
Blood test
Phenylalanine/Tyrosine [Mass Ratio] in Serum or Plasma
Other
Phenylalanine/Tyrosine [Molar ratio] in DBS
Other
Phenylalanine/Tyrosine [Molar ratio] in DBS --post therapeutic diet
Blood test
Phenylalanine/Tyrosine [Molar ratio] in Serum or Plasma
Blood test
Phenylbutazone IgE Ab [Units/volume] in Serum
Blood test
Phenylbutazone [Mass/volume] in Serum or Plasma
Other
Phenylbutazone [Mass] of Dose
Other
Phenylbutazone [Moles/volume] in Gastric fluid
Blood test
Phenylbutazone [Moles/volume] in Serum or Plasma
Other
Phenylbutazone [Moles/volume] in Specimen
Other
Phenylbutazone [Moles/volume] in Urine
Blood test
Phenylephrine [Mass/volume] in Serum or Plasma
Other
Phenylephrine [Mass/volume] in Urine
Other
Phenylephrine [Mass] of Dose
Blood test
Phenylethylmalonamide [Mass/volume] in Serum or Plasma
Other
Phenylethylmalonamide [Mass/volume] in Urine
Other
Phenylethylmalonamide [Presence] in Urine
Blood test
Phenylethylmalonate [Mass/volume] in Serum or Plasma
Other
Phenylglyoxylate [Mass/volume] in Urine
Other
Phenylglyoxylate/Creatinine [Mass Ratio] in Urine
Other
Phenylglyoxylate/Creatinine [Ratio] in 24 hour Urine
Blood test
Phenylketones [Presence] in Blood
Other
Phenylketones [Presence] in Urine
Other
Phenylketonuria and variants/Biopterin defects newborn screen interpretation
Other
Phenylketonuria and variants/Biopterin defects newborn screening comment-discussion
Blood test
Phenyllactate [Moles/volume] in Serum or Plasma
Other
Phenyllactate [Presence] in Urine
Other
Phenyllactate/Creatinine [Measurement] in Urine
Other
Phenyllactate/Creatinine [Molar ratio] in 24 hour Urine
Other
Phenyllactate/Creatinine [Molar ratio] in Urine
Other
Phenylpropanolamine [Mass/mass] in Meconium
Other
Phenylpropanolamine [Mass/mass] in Stool
Other
Phenylpropanolamine [Mass/time] in 24 hour Urine
Other
Phenylpropanolamine [Mass/volume] in Milk
Blood test
Phenylpropanolamine [Mass/volume] in Serum or Plasma
Blood test
Phenylpropanolamine [Mass/volume] in Serum, Plasma or Blood by Confirmatory method
Other
Phenylpropanolamine [Mass/volume] in Urine
Other
Phenylpropanolamine [Mass/volume] in Vitreous fluid
Other
Phenylpropanolamine [Mass] of Dose
Other
Phenylpropanolamine [Measurement] in Urine
Other
Phenylpropanolamine [Moles/volume] in Specimen
Other
Phenylpropanolamine [Presence] in Gastric fluid
Blood test
Phenylpropanolamine [Presence] in Serum or Plasma
Other
Phenylpropanolamine [Presence] in Specimen
Other
Phenylpropanolamine [Presence] in Urine
Blood test
Phenylpropionylglycine [Moles/volume] in Serum or Plasma
Other
Phenylpropionylglycine [Presence] in Urine
Other
Phenylpropionylglycine/Creatinine [Mass Ratio] in Urine
Other
Phenylpropionylglycine/Creatinine [Measurement] in Urine
Other
Phenylpropionylglycine/Creatinine [Molar ratio] in 24 hour Urine
Other
Phenylpropionylglycine/Creatinine [Molar ratio] in Urine
Blood test
Phenylpyruvate [Moles/volume] in Serum or Plasma
Other
Phenylpyruvate [Presence] in Urine
Other
Phenylpyruvate/Creatinine [Measurement] in Urine
Other
Phenylpyruvate/Creatinine [Molar ratio] in 24 hour Urine
Other
Phenylpyruvate/Creatinine [Molar ratio] in Urine
Blood test
Phenyltoloxamine [Mass/volume] in Blood
Other
Phenyltoloxamine [Mass/volume] in Urine
Other
Phenytoin Free [Mass/volume] in Saliva (oral fluid)
Blood test
Phenytoin Free [Mass/volume] in Serum or Plasma