How to breake xml tag with uri

<ClinicalDocument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:hl7-org:v3" xmlns:voc="urn:hl7-org:v3/voc" xmlns:sdtc="urn:hl7-org:sdtc">
<code code="185349003" codeSystem="2.16.840.1.113883.6.96" sdtc:valueSet="2.16.840.1.113883.3.464.1003.101.12.1048">
  <originalText>Encounter, Performed: Diabetes Visit</originalText>
          </code>
 </ClinicalDocument>

DECLARE @XML AS XML, @hDoc AS INT, @SQL NVARCHAR (MAX),@rootxmlns varchar(100)
SET @rootxmlns = '<root xmlns:hm="urn:hl7-org:v3" />'

SELECT @XML ='<ClinicalDocument xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:hl7-org:v3" xmlns:voc="urn:hl7-org:v3/voc" xmlns:sdtc="urn:hl7-org:sdtc">
<code code="185349003" codeSystem="2.16.840.1.113883.6.96" sdtc:valueSet="2.16.840.1.113883.3.464.1003.101.12.1048">
  <originalText>Encounter, Performed: Diabetes Visit</originalText>
          </code> </ClinicalDocument>'

EXEC sp_xml_preparedocument @hDoc OUTPUT, @XML,@rootxmlns

SELECT   *  
FROM OPENXML (@hDoc, '//hm:ClinicalDocument')    
with(
Value_setid varchar(50) 'hm:code/@hm:valueSet',
originalText varchar(50) 'hm:code/hm:originalText'
)