Appendix A: ICD-9 Codes for Complications

When ICD-9 becomes ICD-10. All of the information provided in this documentation and coding tool is based on use of the ICD-9-CM codes for calculating PSI incidence rates. When the ICD-10 codes become the standard for the U.S. health care system, AHRQ will revise the definitions of the PSIs to conform to the new codes. ................
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