| parent | Protein | LP15838-3 |
| child | Gamma butyrobetaine/Creatinine | LP286068-4 |
| child | Gamma butyrobetaine | DBS | Chemistry - non-challenge | LP384573-4 |
| child | Gamma butyrobetaine | Cerebral spinal fluid | Chemistry - non-challenge | LP384574-2 |
| child | Gamma butyrobetaine/Trimethyllysine | LP286069-2 |
| child | Gamma butyrobetaine | Serum or Plasma | Chemistry - non-challenge | LP384575-9 |
| PartDisplayName | en-US | Gamma butyrobetaine |
| DisplayName | en-US | Gamma butyrobetaine |
LOINC Version: 2.77
FHIR