CENTER FOR CLINICAL OBSERVATIONAL INVESTIGATIONS
| Domain | Description | Observation Unit |
|---|---|---|
| Visit | Visit Date | Visit |
| Patient | Patient demographics (e.g., age, sex, marital status, race, ethnicity) | Visit |
| Condition | Conditions and diagnoses associated with the visit | Condition or diagnosis |
| Procedure | Procedure and service codes associated with the visit | Procedure or service |
| Vital | Biometrics and vitals recorded at the visit | Biometric or vital |
| Medication | Medications recorded at the visit | Medication |
| Lab | Lab tests that were conducted or recorded at the visit | Lab |
| Weight | Visit weights and design variables to produce national estimates | Visit |
Last updated May 05, 2025