| parent | Acylcarnitine | LP15318-6 |
| child | Butyrylcarnitine (C4) | LP19304-2 |
| child | Butyrylcarnitine+Isobutyrylcarnitine (C4) | DBS | Chemistry - non-challenge | LP381596-8 |
| child | Butyrylcarnitine+Isobutyrylcarnitine (C4) | Serum or Plasma | Chemistry - non-challenge | LP381597-6 |
| child | Isobutyrylcarnitine (C4) | LP36420-5 |
| child | Butyrylcarnitine+Isobutyrylcarnitine (C4)/Acetylcarnitine (C2) | LP285183-2 |
| child | Butyrylcarnitine+Isobutyrylcarnitine (C4)/Propionylcarnitine (C3) | LP285185-7 |
| child | Butyrylcarnitine+Isobutyrylcarnitine (C4)/Octanoylcarnitine (C8) | LP285184-0 |
| PartDisplayName | en-US | Butyrylcarnitine+Isobutyrylcarnitine (C4) |
| DisplayName | en-US | Butyrylcarnitine+Isobutyrylcarnitine (C4) |
LOINC Version: 2.77
FHIR