Table 10. Diagnosis-Related Group (DRG) Case Typology.
| Case Type | Description | DRGs |
|---|---|---|
| Medical-Local | Local hospitals account for a majority of admissions. Includes 8 of the 10 most frequently admitted medical conditions among Medicare beneficiaries. | 15, 31-33, 43-48, 64-69, 71-74, 78-81, 83-90, 94-97, 99-102, 127-129, 132-134, 138-143, 176-179, 182, 183, 188-190, 202, 204, 205-207, 235-237, 243, 250-255, 271-284, 296-298, 320-324, 346-350, 352, 366-369, 395-399, 425, 426, 444-451, 454, 455, 461-467. |
| Medical-Mixed | Referral based on severity. One-third or more of admissions are to rural referral centers or large urban hospitals. | 9-13, 16-30, 34, 35, 82, 92-93, 124-126, 130, 131, 135-137, 144, 145, 172, 173, 180, 181, 203, 238-242, 244-249, 256, 294, 295, 299-301, 318, 319, 325-333, 403-405, 412-414, 416-423, 427-438, 452, 453, 473. |
| Surgical-Local | Local hospitals account for a majority of admissions. Includes many of the highest volume surgical procedures among Medicare beneficiaries. | 154-162, 164-167, 191-194, 199-201, 209, 218, 219, 226, 227, 267-270, 306, 307, 336-339, 341-345, 351, 353-362, 365, 471. |
| Surgical-Mixed | Referral based on severity. One-third or more of admissions are to rural referral centers or large urban hospitals. | 4, 5, 7, 8, 75-77, 146, 147, 150-153, 168-171, 213, 216, 217, 223, 224, 228, 232-234, 257-260, 285-293, 302-305, 308-313, 315, 334, 335, 392-394, 397-402, 406-408, 439-443, 468. |
| Technical-Based | Large urban and rural hospitals predominantly provide technologically sophisticated procedures and treatments. | 1-3, 103-116, 119, 120, 214, 215, 263-266, 316, 317, 409, 410, 456-460, 472. |
| In-Out Option | Procedures commonly treated either on an inpatient or an outpatient basis. | 6, 36-40, 42, 49-63, 117, 118, 185-187, 221, 222, 225, 229, 261, 262, 271-276, 280, 281, 283, 284, 363. |
| Low Variation | Conditions and procedures where hospitalization is needed for treatment. Little practice style variation is evident. Local hospitals generally account for most of these admissions. | 14, 121-123, 148, 149, 159-162, 174, 175, 195-198, 210-212, 230, 231. |
SOURCE: Codman Research Group, Inc. 1990.