The <value> element reports the value associated with the social history observation.
The data type to use for each observation should be drawn from the table above.
Observations in the table above using the PQ data type have a unit in the form {xxx}/d,
{xxx}/wk or {xxx}/a represent the number of items per day, week or year respectively.
The value attribute indicates the number of times of the act performed, and the units
represent the frequency. The example below shows how to represent 1 drink per day.
:
<code code='160573003' displayName='ETOH Use'
codeSystem='2.16.840.1.113883.6.96'
codeSystemName='SNOMED CT'/>
:
<value xsi:type='PQ' value='1' unit='{drink}/d'/>
:
Observations in the table using the CD data type should include coded values from an appropriate vocabulary to represent the social history item. The example below shows the encoding to indicate drug use of cannabis.
:
<code code='363908000' displayName='Drug Use'
codeSystem='2.16.840.1.113883.6.96'
codeSystemName='SNOMED CT'/>
:
<value xsi:type='CD' code='398705004' displayName='cannabis'
codeSystem='2.16.840.1.113883.6.96'
codeSystemName='SNOMED CT'/>
:
Other social history observations may use any appropriate data type.
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