Table B.4. Use of E codes in the AHRQ Quality Indicators, Version 3.1 National Healthcare Disparities Report, 2008 Table B.4. Use of E codes in the AHRQ Quality Indicators, Version 3.1PSI or PDI*Codes used for defining the numeratorCodes used for defining exclusionsE codesSimilar ICD-9-CM codesE codesSimilar ICD-9-CM codesPSI 1E8551, E8763, E938n9681-9684, 9687Self-inflicted injury (E95nn)NonePSI 5PSI 21 PDI 3E8710-E87199984, 9987NoneNonePSI 8NoneNoneSelf-inflicted injury (E95nn)Poisoning (E851n, E952n, E86nn, E95nn, E962n, E980n, E982n)9600-9799PSI 15 PSI 25 PDI 1E8700-E87099982NoneNonePSI 16 PSI 26 PDI 13E87609996-9997NoneNone* All other PSIs and PDIs do not use E codes. Return to Document Current as of March 2009 Internet Citation: Table B.4. Use of E codes in the AHRQ Quality Indicators, Version 3.1: National Healthcare Disparities Report, 2008. March 2009. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhdr08/methods/HCUPtabb4.html