| CLASS | H&P.HX | LP7800-8 |
| COMPONENT | Trimester at onset of illness | LP212289-5 |
| PROPERTY | Time | LP6879-3 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | ^Patient | LP310005-6 |
| SCALE_TYP | Ord | LP7751-3 |
| AnswerList | 1st TRI|2nd TRI|3rd TRI | LL3990-0 |
| parent | Clinical terms not yet categorized | LP248771-0 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Observation | |
| STATUS | ACTIVE |
| LONG_COMMON_NAME | en-US | Trimester at onset of illness |
| LONG_COMMON_NAME | en-US | Trimester at onset of illness |
| SHORTNAME | en-US | Trimester at onset of illness |
| LONG_COMMON_NAME | es-MX | Trimestre al inicio de la enfermedad: Paciente:Punto temporal:Tiempo:Ordinal: |
LOINC Version: 2.78