Table 4.
The distributions of LOINC ‘Class’.
| ARUP | Intermountain | Regenstrief | |||
|---|---|---|---|---|---|
| LOINC class | Percentage | LOINC class | Percentage | LOINC class | Percentage |
| CHEM | 42.87% | HEM/BC | 40.04% | CHEM | 61.58% |
| MICRO | 15.00% | CHEM | 36.65% | HEM/BC | 29.78% |
| HEM/BC | 13.41% | MICRO | 5.11% | UA | 4.50% |
| SERO | 5.34% | UA | 4.97% | MICRO | 1.55% |
| DRUG/TOX | 4.64% | ABXBACT | 2.41% | SPEC | 0.87% |
| ALLERGY | 3.77% | SPEC | 2.36% | DRUG/TOX | 0.50% |
| SPEC | 3.74% | CLIN | 2.18% | BLDBK | 0.31% |
| COAG | 2.46% | COAG | 1.47% | COAG | 0.26% |
| UA | 1.54% | BLDBK | 1.35% | SERO | 0.17% |
| OB.US | 1.23% | DRUG/TOX | 1.02% | CELLMARK | 0.17% |
The ‘CHEM’, ‘HEM/BC’,’MICRO’ are the most frequently used LOINC classes.