| parent | Amino acid pattern | LP18377-9 |
| child | Phenylalanine+Tyrosine | Blood | Chemistry - non-challenge | LP383650-1 |
| child | Phenylalanine+Tyrosine | Urine | Chemistry - non-challenge | LP383651-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Phenylalanine+Tyrosine |
| DisplayName | en-US | Phenylalanine+Tyrosine |
LOINC Version: 2.81