| parent | Amino acids | LP18033-8 |
| child | Glutamylphenylalanine | LP201676-6 |
| child | Phenylalanine | Amniotic fluid | Chemistry - non-challenge | LP384223-6 |
| child | Phenylalanine | Blood | Chemistry - non-challenge | LP384224-4 |
| child | Phenylalanine/Amino acids.total | LP286798-6 |
| child | Phenylalanine/Tyrosine | LP307525-8 |
| child | Phenylalanine | DBS | Chemistry - non-challenge | LP384225-1 |
| child | Phenylalanine | Body fluid | Chemistry - non-challenge | LP384226-9 |
| child | Phenylalanine/Creatinine | LP286799-4 |
| child | Phenylalanine | Cerebral spinal fluid | Chemistry - non-challenge | LP384227-7 |
| child | Phenylalanine | Hair | Chemistry - non-challenge | LP384228-5 |
| child | Phenylalanine | Serum or Plasma | Chemistry - non-challenge | LP384229-3 |
| child | Phenylalanine | Urine | Chemistry - non-challenge | LP384230-1 |
| child | Phenylalanine | Vitreous fluid | Chemistry - non-challenge | LP384231-9 |
| child | Phenylalanine | XXX | Chemistry - non-challenge | LP384232-7 |
| parent | Amino acids | LP18033-8 |
| child | Phenylalanine | Amniotic fluid | Chemistry - non-challenge | LP384223-6 |
| child | Phenylalanine | Blood | Chemistry - non-challenge | LP384224-4 |
| child | Phenylalanine | DBS | Chemistry - non-challenge | LP384225-1 |
| child | Phenylalanine | Body fluid | Chemistry - non-challenge | LP384226-9 |
| child | Phenylalanine | Cerebral spinal fluid | Chemistry - non-challenge | LP384227-7 |
| child | Phenylalanine | Hair | Chemistry - non-challenge | LP384228-5 |
| child | Phenylalanine | Serum or Plasma | Chemistry - non-challenge | LP384229-3 |
| child | Phenylalanine | Urine | Chemistry - non-challenge | LP384230-1 |
| child | Phenylalanine | Vitreous fluid | Chemistry - non-challenge | LP384231-9 |
| child | Phenylalanine | XXX | Chemistry - non-challenge | LP384232-7 |
| PartDisplayName | en-US | Phenylalanine |
| DisplayName | en-US | Phenylalanine |
LOINC Version: 2.77
FHIR