Ill. Admin. Code tit. 89, § 148.100
a) County Trauma Center Adjustment (TCA) Payments. Illinois hospitals that, on the first day of July preceding the TCA rate period, are recognized as Level I or Level II trauma centers by DPH, shall receive an adjustment that shall be calculated as follows:
b) Definitions. The definitions of terms used with reference to calculation of the trauma center adjustments in this Section are as follows:
2) "Medicaid trauma admission" means, for discharges through June 30, 2014, those services provided to Medicaid-enrolled beneficiaries that were received and processed as hospital inpatient admissions, excluding admissions for normal newborns, that were subsequently adjudicated by the Department through the last day of June preceding the TCA rate period and contained within the Department's paid claims data base, with an ICD-9-CM principal diagnosis code of: 800.0 through 800.99; 801.0 through 801.99; 802.0 through 802.99; 803.0 through 803.99; 804.0 through 804.99; 805.0 through 805.98; 806.0 through 806.99; 807.0 through 807.69; 808.0 through 808.9; 809.0 through 809.1; 828.0 through 828.1; 839.0 through 839.3; 839.7 through 839.9; 850.0 through 850.9; 851.0 through 851.99; 852.0 through 852.59; 853.0 through 853.19; 854.0 through 854.19; 860.0 through 860.5; 861.0 through 861.32; 862.8; 863.0 through 863.99; 864.0 through 864.19; 865.0 through 865.19; 866.0 through 866.13; 867.0 through 867.9; 868.0 through 868.19; 869.0 through 869.1; 887.0 through 887.7; 896.0 through 896.3; 897.0 through 897.7; 900.0 through 900.9; 902.0 through 904.9; 925; 926.8; 929.0 through 929.99; 958.4; 958.5; 990 through 994.99.
For discharges after June 30, 2014, those services provided to Medicaid‑enrolled beneficiaries that were received and processed as hospital inpatient admissions that were subsequently adjudicated by the Department through the last day of June preceding the TCA rate period and contained within the Department's paid claims data base, and have been grouped to one of the following DRGs:
020 Craniotomy for trauma.
055 Head trauma, with coma lasting more than one hour or hemorrhage.
056 Brain contusion/laceration and complicated skull fracture, coma less than one hour or no coma.
057 Concussion, closed skull fracture not otherwise specified, uncomplicated intracranial injury, coma less than one hour or no coma.
135 Major chest and respiratory trauma.
308 Hip and femur procedures for trauma, except joint replacement.
384 Contusion, open wound and other trauma to skin and subcutaneous tissue.
841 Extensive third degree burns with skin graft, as of July 1, 2018.
842 Full thickness burns with graft, as of July 1, 2018.
843 Extensive burns without skin graft, as of July 1, 2018.
844 Partial thickness burns with or without graft, as of July 1, 2018.
910 Craniotomy for multiple significant trauma.
911 Extensive abdominal/thoracic procedures for multiple significant trauma.
912 Musculoskeletal and other procedures for multiple significant trauma.
930 Multiple significant trauma, without operating room procedure.
Effective for dates of service on or after July 1, 2014:
(Source: Amended at 42 Ill. Reg. 22401, effective November 29, 2018)