© Copyright 2007 Health Grades, Inc. All rights reserved.
Hospital Report CardsTM Methodology 6
May not be reprinted or reproduced without permission from Health Grades, Inc.
Appendix A: Patient Cohorts and Related ICD-9-CM Codes
Patient Cohort
ICD-9-CM Procedure/Diagnosis Codes and Criteria
Appendectomy
Principal Procedures Inclusions
: 47.01, 47.09
Procedures Exclusions
: 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63
Note: This cohort uses all-payer data from states which provide it.
Atrial Fibrillation
Principal Diagnoses Inclusions
: 427.31
Procedures Exclusions
: 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63
Diagnoses Exclusions
: 196.0, 196.1, 196.2, 196.3, 196.5, 196.6, 196.8, 196.9,
197.0, 197.1, 197.2, 197.3, 197.4, 197.5, 197.6, 197.7, 197.8, 198.0, 198.1, 198.2,
198.3, 198.4, 198.5, 198.6, 198.7, 198.8, 198.81, 198.82, 198.89, 414.06, 414.07,
V42.1, V66.7
Back and Neck Surgery
(Spinal Fusion)
Principal Procedures Inclusions
: 81.00, 81.01, 81.02, 81.03, 81.04, 81.05,
81.06, 81.07, 81.08, 81.09, 81.61, 81.62, 81.63, 81.64
Procedures Exclusions
: 03.02, 37.5, 37.51, 37.52, 37.53, 37.54, 78.69, 81.3,
81.30, 81.31, 81.32, 81.33, 81.34, 81.35, 81.36, 81.37, 81.38, 81.39, 81.65, 81.66,
84.58, 84.59, 84.60, 84.61, 84.62, 84.63, 84.64, 84.65, 84.66, 84.67, 84.68, 84.69
Diagnoses Exclusions
: 722.80, 722.81, 722.82, 722.83, 996.4, V45.4
Back and Neck Surgery
(except Spinal Fusion)
Principal Procedures Inclusions
: 03.09, 03.53, 80.50, 80.51, 80.59, 84.58,
84.59, 84.60, 84.61, 84.62, 84.63, 84.64, 84.65
Procedures Exclusions
: 03.02, 37.5, 37.51, 37.52, 37.53, 37.54, 78.49, 78.69,
81.00, 81.01, 81.02, 81.03, 81.04, 81.05, 81.06, 81.07, 81.08, 81.09, 81.3, 81.30,
81.31, 81.32, 81.33, 81.34, 81.35, 81.36, 81.37, 81.38, 81.39, 81.61, 81.62, 81.63,
81.64, 81.65, 81.66, 84.66, 84.67, 84.68. 84.69
Diagnoses Exclusions
: 722.80, 722.81, 722.82, 722.83, 996.4, V42.4, V45.4,
V54.0, V54.01, V54.09
Bowel Obstruction
Principal Diagnoses Inclusions:
277.01, 532.01, 532.11, 532.21, 532.31,
532.41, 532.51, 532.61, 532.71, 532.91, 534.01, 534.11, 534.21, 534.31, 534.41,
534.51, 534.61, 534.71, 534.91, 537.2, 537.3, 550.10, 550.11, 550.12, 550.13,
552.00, 552.01, 552.02, 552.03, 552.1, 552.20, 552.21, 552.29, 552.8, 552.9,
557.0, 560.0, 560.1, 560.2, 560.30, 560.31, 560.39, 560.81, 560.89, 560.9, 936,
937
Procedures Exclusions
: 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63
Diagnoses Exclusions
: 196.0, 196.1, 196.2, 196.3, 196.5, 196.6, 196.8, 196.9,
197.0, 197.1, 197.2, 197.3, 197.4, 197.5, 197.6, 197.7, 197.8, 198.0, 198.1, 198.2,
198.3, 198.4, 198.5, 198.6, 198.7, 198.8, 198.81, 198.82, 198.89, V66.7