EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the registration statements and related prospectuses listed below of Per-Se Technologies, Inc. of our report dated May , 2004, with respect to the consolidated financial statements and schedule of Per-Se Technologies, Inc. as of December 31, 2003 and 2002, and for each of the three years in the period ended December 31, 2003 (as restated) included in the Annual Report (Form 10-K) for the year ended December 31, 2003: 1. Registration Statement Number 33-46847 on Form S-8 2. Registration Statement Number 33-64952 on Form S-8 3. Registration Statement Number 33-67752 on Form S-8 4. Registration Statement Number 33-71556 on Form S-8 5. Registration Statement Number 33-88442 on Form S-8 6. Registration Statement Number 33-88444 on Form S-8 7. Registration Statement Number 33-90874 on Form S-8 8. Registration Statement Number 33-90876 on Form S-8 9. Registration Statement Number 33-95742 on Form S-8 10. Registration Statement Number 33-95746 on Form S-8 11. Registration Statement Number 33-95748 on Form S-8 12. Registration Statement Number 333-03213 on Form S-8 13. Registration Statement Number 333-07201 on Form S-8 14. Registration Statement Number 333-07203 on Form S-8 15. Registration Statement Number 333-07627 on Form S-8 16. Registration Statement Number 333-26113 on Form S-8 17. Registration Statement Number 333-26289 on Form S-8 18. Registration Statement Number 333-26291 on Form S-8 19. Registration Statement Number 333-37150 on Form S-8 20. Registration Statement Number 333-37152 on Form S-8 21. Registration Statement Number 333-46489 on Form S-8 22. Registration Statement Number 333-60729 on Form S-8 23. Registration Statement Number 333-65016 on Form S-8 24. Registration Statement Number 333-78167 on Form S-8 25. Registration Statement Number 333-87902 on Form S-8 26. Registration Statement Number 333-105111 on Form S-8 27. Registration Statement Number 333-78775 on Form S-3 28. Registration Statement Number 333-94151 on Form S-3 /s/ ERNST & YOUNG LLP Atlanta, Georgia May 13, 2004