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  • Medicaid Provider Alert: Provider revalidation has begun and those not completing the process risk disenrollment.  Check your account now to learn when your revalidation is due. More information here.

The Child Support Cook Central Office at 36 South Wabash Avenue, Chicago, is closed.  If in-person assistance is required, please visit one our other regional office locations.  The new Cook Central Office, 115 South LaSalle, will open February 10, 2025. 
Cook County Region
Cook Central Office:
temporarily closed
hfs.cookcentral@illinois.gov

Cook Southern Office: 6221 South Emerald Drive, Chicago, IL 60621
hfs.CookSouthern@illinois.gov

Expensive Drugs and Devices for Hospitals and ASTCs

A hospital or ambulatory surgical treatment center (ASTC) is eligible for additional payment consideration termed an "outlier payment" for specified expensive drugs and devices provided in conjunction with a procedure from the Ambulatory Procedures Listing (APL). These drugs and devices, along with the associated APL codes, are identified in the table below. The table also identifies the drugs and devices that require prior approval.

Outpatient Cost Outlier Worksheet

The Outpatient Cost Outlier Worksheet below can be used to calculate the amount of the additional outlier payment.