PMID: 2494894Apr 1, 1989Paper

Improving the homogeneity of diagnosis-related groups (DRGs) by using clinical laboratory, demographic, and discharge data

American Journal of Public Health
E S GoldmanL B Sheiner

Abstract

For 48 of the most common diagnosis-related groups (DRGs) at our hospital, we examined the ability of clinical laboratory tests, demographic data, and ICD-9-CM codes, which provide a measure of severity of illness, to predict patients' length of stay (LOS) more accurately than DRGs alone. For 10 of 20 medical DRGs and 13 of 23 surgical DRGs examined, we were able to increase the ability to predict LOS by at least 10 per cent. The laboratory tests that proved most predictive of LOS over all DRGs were the mean serum sodium, potassium, bicarbonate, and albumin. The system is data driven, objective, and flexible, thus ensuring its utility for the purpose of equitable reimbursement.

References

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Citations

Jan 1, 1992·International Journal of Technology Assessment in Health Care·D R Miranda
May 1, 1993·Journal of the American Geriatrics Society·R P FergusonD Coppola
Mar 1, 1994·Clinical Pediatrics·B E MahonT B Newman
Feb 1, 1994·Clinical Pediatrics·T B Newman, M J Easterling
Jul 27, 2021·Medical Care·Vincent LequertierAntoine Duclos

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