| Test or Intervention | 2013 IDSA Guidelines | 2009 IDSA Guidelines | 
      
        | Viral load | Perform every 3-4 months; perform every    6-12 months if clinically and immunologically stable for 2-3 years | Perform every 3-4 months | 
      
        | CD4 cell count | Perform every 3-4 months; perform every    6-12 months if clinically and immunologically stable for 2-3 years | Perform every 3-4 months | 
      
        | Fasting glucose    and/or HbA1C | Perform every 6-12 months in all    patients; consider HbA1C 5.8% as cutoff for diabetes mellitus | Perform fasting glucose every 6 months | 
      
        | Fasting lipid    profile | No change from 2009 recommendations | Perform every 6-12 months; consider    performing 1-3 months after starting or modifying treatment; follow NCEP    guidelines* | 
      
        | Bone    Densitometry | Perform baseline exam in postmenopausal    women and men age  ≥ 50;    periodic monitoring thereafter | Perform baseline exam in postmenopausal    women aged ≥ 65 years and in younger postmenopausal women with 1 or more    other risk factor(s) for premature bone loss; consider in persons aged ≥50    years, especially if they have ≥1 risk factor(s) for premature bone loss; periodic monitoring thereafter | 
      
        | Pneumococcal vaccine | Patients should receive a dose of PCV13    (Prevnar 13), followed by a dose of PPV23 (Pneumovax) at least 8 weeks    later.  If previously vaccinated with    PPV23, give PCV13 at least 1 year after PPV23; administer to patients with    CD4 cell count ≥200 cells/μL. A second PPV23 dose is recommended 5 years    after the first PPV23 dose | Patients should receive PPV23; administer    to patients with CD4 cell count >200 cells/uL; consider booster dose 5    years after initial immunization | 
      
        | HPV vaccine | Indicated for females age 9–26 and males    age 9–26 | Indicated for females aged 9–26 years but    may consider in other groups | 
      
        | Anal Pap test | Anal Pap test should be performed in MSM,    women with a history of receptive anal intercourse or abnormal cervical Pap    test results, and all HIV-infected persons with genital warts | Consider if indicated | 
      
        | Trichomoniasis    screening | Perform annually in all women; repeat    testing 3 months later if positive | Screen at initial visit followed by    periodic screening in high-risk groups | 
      
        | Gonorrhea and chlamydia    screening | Perform annually in patients at risk for    STDs; more frequent testing may be indicated in patients at high risk for    STDs; repeat testing 3 months later if positive | Perform annually in patients at risk for    STDs;more frequent testing may be indicated in patients at high risk for STDs |