See this: http://www.cic.gc.ca/english/resources/publications/dmp-handbook/section-11.asp
•Provide appropriate age-defined laboratory investigations as specified in Medical Report: Section D; Laboratory Requisition (IMM 5419): a.urinalysis (protein, glucose and blood by dipstick—if blood positive, then microscopic report required) for applicants five years and over;
b.serological test for syphilis for applicants 15 years and over;
c.HIV testing for applicants 15 years of age and over, as well as for those children who have received blood or blood products, have a known HIV-positive mother, or have an identified risk. An ELISA HIV screening test should be done for HIV 1 and HIV 2; and
d.serum creatinine if the applicant has hypertension (resting blood pressure greater than 140/90 mm Hg), a history of treated hypertension, diabetes, autoimmune disorder, persistent proteinuria, or kidney disorder.