| parent | Amino acids | LP18033-8 |
| child | Cystine.free | LP32649-3 |
| child | Cystine | Amniotic fluid | Chemistry - non-challenge | LP383873-9 |
| child | Cystine | Blood | Chemistry - non-challenge | LP383874-7 |
| child | Cystine/Total | LP285853-0 |
| child | Cystine/Creatinine | LP285852-2 |
| child | Cystine | Body fluid | Chemistry - non-challenge | LP383875-4 |
| child | Cystine | Calculus (stone) | Chemistry - non-challenge | LP383876-2 |
| child | Cystine | Cerebral spinal fluid | Chemistry - non-challenge | LP383877-0 |
| child | Cystine | Chorionic villus sample | Chemistry - non-challenge | LP383878-8 |
| child | Cystine | Serum or Plasma | Chemistry - non-challenge | LP383879-6 |
| child | Cystine | Urine | Chemistry - non-challenge | LP383880-4 |
| child | Cystine | Vitreous fluid | Chemistry - non-challenge | LP383881-2 |
| child | Cystine | White blood cells | Chemistry - non-challenge | LP383882-0 |
| child | Cystine | XXX | Chemistry - non-challenge | LP383883-8 |
| PartDisplayName | en-US | Cystine |
| DisplayName | en-US | Cystine |
LOINC Version: 2.77
FHIR