A family history observation (templateId 2.16.840.1.113883.10.20.1.22) SHALL be represented with Observation. The value for "Observation / moodCode" in a family history observation SHALL be "EVN" 2.16.840.1.113883.5.1001 ActMood STATIC. A family history observation SHALL contain at least one Observation / id. A family history observation SHALL include exactly one Observation / statusCode. The value for "Observation / statusCode" in a family history observation SHALL be "completed" 2.16.840.1.113883.5.14 ActStatus STATIC. A family history observation SHOULD include Observation / effectiveTime.