Create a Temp Table with IDENTITY ( Auto Increment ) Column in SQL Server

hi Friends,

Below Contain Temp table, i want do send seed value as Dynamically in procedure how to  do that

Declare @maxid int
Select @maxCfid=max(ID) +1 from  Tablename
print @maxCfid
CREATE TABLE #temptable (
    ID int IDENTITY (@maxCfid, 1) NOT NULL ,
    topicid int NOT NULL ,
    Description varchar (250)  NULL
)