An age observation (templateId 2.16.840.1.113883.10.20.1.38) SHALL be represented with Observation. The value for "Observation / classCode" in an age observation SHALL be "OBS" 2.16.840.1.113883.5.6 ActClass STATIC. The value for "Observation / moodCode" in an age observation SHALL be "EVN" 2.16.840.1.113883.5.1001 ActMood STATIC. The value for "Observation / code" in an age observation SHALL be "397659008" "Age" 2.16.840.1.113883.6.96 SNOMED CT STATIC. An age observation SHALL include exactly one Observation / statusCode. The value for "Observation / statusCode" in an age observation SHALL be "completed" 2.16.840.1.113883.5.14 ActStatus STATIC. An age observation SHALL include exactly one Observation / value.