Appendix A. Patient Cohorts and Related ICD-9-CM Codes
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Hospital Report CardsTM Methodology 7
May not be reprinted or reproduced without permission from Health Grades, Inc.
Patient Cohort
ICD-9-CM Procedure/Diagnosis Codes and Criteria
Carotid Endarterectomy
Principal Procedures Inclusions
: 00.55, 00.61, 00.63, 38.12, 39.50, 39.72,
39.79
Procedures Exclusions
: 36.1, 36.10, 36.11, 36.12, 36.13, 36.14, 36.15, 36.16,
36.17, 36.19, 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63, 38.08, 38.16, 38.18,
38.36, 39.24, 39.25, 39.29, 39.59, 39.90
Cholecystectomy
Principal Procedures Inclusions
: 51.21, 51.22, 51.23, 51.24
Procedures Exclusions
: 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63
Diagnoses Exclusions: V66.7
Chronic Obstructive
Pulmonary Disease (COPD)
Principal Diagnoses Inclusions
: 491.1, 491.20, 491.21, 491.22, 491.8, 491.9,
492.8, 493.20, 493.21, 493.22, 494, 494.0, 494.1, 496
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, 480.3, 480.8,
V66.7, V66.7
Community Acquired
Pneumonia
Principal Diagnoses Inclusions:
480.0, 480.1, 480.2, 480.8, 480.9, 481, 482.2,
482.30, 482.31, 482.32, 482.39, 482.9, 483.0, 483.1, 483.8, 485, 486, 487.0
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, 480.3, V66.7
Coronary Bypass Surgery
Principal Procedures Inclusions:
36.10, 36.11, 36.12, 36.13, 36.14, 36.15,
36.16, 36.19
Procedures Exclusions:
35.1, 35.10, 35.11, 35.12, 35.13, 35.14, 35.2, 35.20,
35.21, 35.22, 35.23, 35.24, 35.25, 35.26, 35.27, 35.28, 37.5, 37.51, 37.52, 37.53,
37.54, 37.62, 37.63, 38.12, 38.34, 38.44, 38.64, 39. 71, 44.12
Diagnoses Exclusions:
414.06, 414.07, 441.00, 441.01, 441.02, 441.03, V42.1
Coronary Interventional
Procedures
Principal Procedures Inclusions:
36.01, 36.02, 36.05, 36.06, 36.07, 36.09
Procedures Exclusions:
35.1, 35.10, 35.11, 35.12, 35.13, 35.14, 35.2, 35.20,
35.21, 35.22, 35.23, 35.24, 35.25, 35.26, 35.27, 35.28, 36.10, 36.11, 36.12, 36.13,
36.14, 36.15, 36.16, 36.19, 37.5, 37.51, 37.52, 37.53, 37.54, 37.62, 37.63
Diagnoses Exclusions:
414.06, 414.07, V42.1
Diabetic Acidosis and Coma
Principal Diagnosis Inclusions:
250.10, 250.11, 250.12, 250.13, 250.20,
250.21, 250.22, 250.23, 250.30, 250.31, 250.32, 250.33, 250.80, 250.81, 250.82,
250.83
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
