10 Statistics on Average Patient Risk Scores at ASCs vs. HOPDs

Here are the patient risk scores for the 10 most frequently provided ambulatory surgery center procedure groups in 2010 for ASCs and hospital outpatient departments, according to MedPAC data. The risk scores are calculated using Centers for Medicare and Medicaid hierarchical condition categories risk-adjustment model used in Medicare Advantage to measure patient severity, according to the report.

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Laura Dyrda

ASCs had lower patient risk scores for all procedures.

1. Cataract procedure with IOL insert
ASC: 1.19
HOPD: 1.24

2. Lower GI endoscopy
ASC: 1.08
HOPD: 1.22

3. Level III nerve injections
ASC: 1.33
HOPD: 1.34

4. Level I upper GI procedures
ASC: 1.36
HOPD: 1.54

5. Laser eye procedures
ASC: 1.28
HOPD: 1.33

6. Level I nerve injections
ASC: 1.35
HOPD: 1.37

7. Colorectal cancer screening: Colonoscopy
ASC: 0.90
HOPD: 1.00

8. Level III nerve injections
ASC: 1.38
HOPD: 1.37

9. Level I arthroscopy
ASC: 0.89
HOPD: 1.00

10. Level III repair and plastic eye procedures
ASC: 1.30
HOPD: 1.37

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