| parent | Crystals | LP16849-9 |
| child | Pyrophosphate crystals | Body fluid | Hematology and Cell counts | LP393805-9 |
| child | Pyrophosphate crystals | Synovial fluid | Hematology and Cell counts | LP393806-7 |
| parent | Crystals | LP16849-9 |
| child | Pyrophosphate crystals | Urine sediment | Urinalysis | LP402409-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Pyrophosphate crystals |
| DisplayName | en-US | Pyrophosphate crystals |
LOINC Version: 2.81