Appendix II. AHRQ Clinical Classification Software (CCS) Multilevel Codes.
AHRQ, Agency for Healthcare Research and Quality; SSI, surgical site infection; UTI, urinary tract infection; CHF, congestive heart failure; AMI, acute myocardial infarction; ACS, acute coronary syndrome; HTN, hypertension; VTE, venous thromboembolism; ARF, acute renal failure; CVA, cerebrovascular accident; TIA, transient ischemic attack; DM, diabetes mellitus. Appendix II includes the multilevel CCS codes appearing in our sample; it is not an exhaustive list of all available multilevel CCS codes.
| Diagnosis Category | Multilevel CCS Codes |
|---|---|
| Post-Operative Infection | |
| Wound/SSI | 16.10.2.6 16.10.2 12.1.1.7 16.10.2.7 7.5.4 12.1.1.5 12.1.2 17.1.4 |
| Sepsis | 17.1.2 1.1.2.6 1.1.2.2 17.1.5 |
| UTI | 10.1.4.3 10.1.4.1 |
| Pulmonary | |
| Unspecified Lower Respiratory Disease | 8.8.3 |
| Pneumonia | 8.1.1.3 8.1.1.2 |
| Other | 8.6.1 8.2.3 8.5.1 16.10.2.2 8.4 8.6.2 8.9 8.2.1 8.2.2 8.3.1.3 8.5.3 |
| Cardiovascular | |
| CHF | 7.2.11.1 7.2.6 7.2.11 |
| AMI/ACS | 7.2.5 7.2.3 7.2.4.4 7.2.4.1 7.2.10 7.2.4.2 |
| Arrhythmia | 7.2.9.3 7.2.9.7 7.2.9.2 7.2.9.1 |
| Other (including HTN) | 7.1.2.1 16.10.2.1 7.1.1 7.2.1.2 7.2.2.2 7.2.4.5 7.2.7 |
| Gastrointestinal | |
| Abdominal Pain | 17.1.7 |
| Obstruction | 17.1.6 9.12.3 9.6.3.4 9.12.1 16.10.2.3 9.6.3.1 9.6.3.2 9.4.1.2 9.5.1.1 9.5.3.7 9.6.3.3 |
| Bleeding | 9.10.7 9.10.2 9.10.5 9.10.6 9.10.1 |
| Inflammation & Infection | 9.11 9.1 9.9.1 9.4.3.1 9.6.1.2 9.6.2 9.6.4.2 9.6.6 9.7.1 9.7.5 |
| Other | 9.8.2.4 9.5.1.2 9.5.3.8 9.5.3.9 9.8.2.3 |
| Vascular/Device | |
| Bleeding | 16.10.2.5 4.1.3.7 7.4.4.1 7.4.4.2 4.2.2 4.2.1 4.2.3 |
| Device/Graft | 16.10.1.3 16.10.1.1 16.10.1.2 |
| VTE | 7.5.1.2 |
| Other Vascular Disease | 7.4.2.1 7.4.2.2 7.4.1.1 7.4.1.2 7.4.3.1 7.4.3.2 7.4.3 |
| Renal/Urologic | |
| ARF | 10.1.2.1 |
| Other | 10.1.8.2 10.1.6.2 10.1.8.1 10.1.5.2 10.1.2.2 10.1.3 10.1.5.1 10.2.1 16.10.2.4 |
| Musculoskeletal | 13.3.3.3 13.2.3 13.3.3.6 3.7 |
| Trauma | 16.12 16.2.5.1 16.2.1 16.4.2 16.5 |
| Neurologic | |
| CVA/TIA | 7.3.1.2 7.3.2 7.3.4 |
| Other (including syncope) | 17.1.1 6.9.3 6.5.2 6.4.2 6.8.2 |
| Other Medical | |
| DM | 3.11.3 3.3.7 3.4 |
| Electrolyte Disturbance | 3.8.2 3.8.1 3.8.3 3.8.4 3.8.5 |
| Cancer Related | 2.3 2.1.1 2.9.1 2.9.2 2.1.2 2.12.4 2.2.4 |
| Miscellaneous | 13.8 18 17.1.8 10.2.3 10.2.2 12.3.1 16.11.1 4.3 13.1 17.1.9 3.11.1 5.10 5.15.8 |