DRGS, diagnosis related groups, definitions manual.
Contributors: Averill, Richard F.; United States. Health Care Financing Administration.; 3M Health Information Systems.
Edition: Version 9.0
Publisher: 3M Health Information Systems
Published: 1991
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 1090
Subjects: Diagnosis-Related Groups -- Handbooks.; Patients -- classification.; Prospective Payment System -- Handbooks.
Genres: Handbooks.
Other titles: Diagnosis related groups definitions manual.; DRGs.
Notes: "Performed under Health Care Financing Administration Contract 500-89-0015 by 3M Health Information Systems; Richard F. Averill, project director"--P. i.

"Document number 91-080 Rev. 00"--T.p. verso.

"The ninth version of the DRGs is effective for all Medicare discharges occuring on or after October 1, 1991"--P.i.