A social history observation (templateId 2.16.840.1.113883.10.20.1.33) SHALL be represented with Observation. The value for “Observation / classCode” in a social history observation SHALL be “OBS” 2.16.840.1.113883.5.6 ActClass STATIC. The value for “Observation / moodCode” in a social history observation SHALL be “EVN” 2.16.840.1.113883.5.1001 ActMood STATIC. A social history observation SHALL contain at least one Observation / id. A social history observation SHALL include exactly one Observation / statusCode. The value for “Observation / statusCode” in a social history observation SHALL be “completed” 2.16.840.1.113883.5.14 ActStatus STATIC. The value for “Observation / code” in a social history observation SHOULD be selected from LOINC (codeSystem 2.16.840.1.113883.6.1) or SNOMED CT (codeSystem 2.16.840.1.113883.6.96).