| Observation ID | Unique identifier for the clinical observation | How can I track this measurement across different encounters? | obs-12345 |
| Observation Status | Status of the observation result | Is this measurement final or preliminary? | final, preliminary, registered, cancelled |
| Observation Category | High-level categorization of the observation | What type of clinical measurement is this? | vital-signs, laboratory, exam, procedure |
| Observation Code | LOINC or other standardized code for the observation | What specific measurement or test was performed? | 8480-6 (Systolic blood pressure) |
| Observation Description | Human-readable name of the observation | What was measured in plain language? | Systolic blood pressure |
| Value Quantity | Numerical result with units | What was the measured value and its unit? | 120 mmHg |
| Value String | Text-based observation result | What was the descriptive result? | Normal heart sounds, no murmur |
| Value Boolean | True/false observation result | Was the condition present or absent? | true (present), false (absent) |
| Reference Range | Normal range for the observation | Is this result within normal limits? | 90-140 mmHg (normal range) |
| Observation Date | When the observation was made | When was this measurement taken? | 2024-01-15T10:30:00Z |
| Performing Provider | Healthcare provider who made the observation | Who performed this measurement? | Dr. Sarah Johnson (NPI: 1234567890) |
| Body Site | Anatomical location where observation was made | Where on the body was this measured? | Right arm, Left wrist |
| Interpretation | Clinical interpretation of the result | How should this result be interpreted clinically? | High, Normal, Low, Critical |