| parent | Crystals and calculi | LP31771-6 |
| child | Calcium carbonate crystals | Calculus (stone) | Chemistry - non-challenge | LP386703-5 |
| parent | Crystals | LP16849-9 |
| child | Calcium carbonate crystals | Synovial fluid | Hematology and Cell counts | LP393802-6 |
| parent | Calcium crystals | LP32788-9 |
| child | Calcium carbonate crystals | Urine | Urinalysis | LP402386-9 |
| child | Calcium carbonate crystals | Urine sediment | Urinalysis | LP402387-7 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Calcium carbonate crystals |
| DisplayName | en-US | Calcium carbonate crystals |
LOINC Version: 2.81