Appendix II.
Elixhauser Comorbidities**
| ICD9 CM Diagnosis |
Discharge does not |
Discharge does not |
|
|---|---|---|---|
| 1. Congestive Heart Failure | 398.91, 402.01, 402.11, 402.91, 404.01, 404.03, |
Cardiac:
103–112, 115–118, 121– 127, |
Cardiac:
001–002, 215–238,242– 251, |
| Changes from 3.2 to 3.3 | None | Delete 524 | New |
| 2. Valvular disease | 093.20–093.24, 394.0–397.1, |
Cardiac:
103–112, 115–118, 121- |
001–002,
215– 238, |
| Changes from 3.2 to 3.3 | None | Delete 524 | New |
| 3. Pulmonary
Circulation disorders |
415.11–415.19, 416.0–416.9, 417.9 |
Cardiac:
103–112, 115–118, 121– 127, |
Cardiac:
001–002, 215–238, 242– 251, |
| Changes from 3.2 to 3.3 | Add 415.11- | Delete 524 | New |
| 4. Peripheral vascular disease | 440–440.9, 441.00- |
Peripheral vascular: |
Peripheral vascular: |
| Changes from 3.2 to 3.3 | Added 444.21- | None | New |
| 5. Hypertension
(combine uncomplicated |
Hypertension, uncomplicated: |
Hypertension: 22, 134 |
Hypertension: 077- |
| Hypertension, complicated: 401.0, |
Cardiac:
103–122, 115–118, 121– 127, |
Cardiac:
001–002, 215–238, 242– 251, |
|
| Changes from 3.2 to 3.3 | None | Delete 524 | New |
| 6. Paralysis | 342.0–344.9, | Cerebrovascular: | Cerebrovascular: |
| Changes from 3.2 to 3.3 | None | None | New |
| 7. Other neurological disorders | 330.1–331.9, 332.0, 333.4, 333.5, 333.71– 333.79, 333.85, |
Nervous
system: 1– 35, 524, 528–534, 543, 559–564, 577 |
Nervous system: 020–042, 052–103 |
| Changes from 3.2 to 3.3 | None | None | New |
| 8. Chronic pulmonary disease | 490–492.8, | COPD asthma: | COPD asthma: |
| Changes from 3.2 to 3.3 | None | None | New |
| 9. Diabetes without chronic | 250.00–250.33, | Diabetes: 294, | Diabetes: 637–639 |
| Changes from 3.2 to 3.3 | None | None | New |
| 10. Diabetes with chronic | 250.40–250.93, | Diabetes: 294, | Diabetes: 637–639 |
| Changes from 3.2 to 3.3 | None | None | New |
| 11. Hypothyroidism | 243–244.2, 244.8, | Thyroid | Thyroid |
| Changes from 3.2 to 3.3 | None | None | New |
| 12. Renal failure | 403.01, 403.11, 403.91, 404.02, 404.03, 404.12, |
Kidney transplant, Renal |
Kidney transplant, Renal |
| Changes from 3.2 to 3.3 | None | None | New |
| 13. Liver disease | 070.22, 070.23, 070.33, 070.44, 070.54, 456.0, |
Liver:
199–202, 205– 208 |
Liver:
420–425, 432– 434, 441–446 |
| Changes from 3.2 to 3.3 | None | None | New |
| 14. Chronic Peptic ulcer
disease (includes bleeding only if obstruction is also present) |
531.41, 531.51, 531.61, 531.70, 531.71, 531.91, 532.41, 532.51, |
GI Hemorrhage or ulcer: 174–178 |
GI Hemorrhage or ulcer: 377–384 |
| Changes from 3.2 to 3.3 | None | None | New |
| 15. HIV and AIDS (Acquired | 042–044.9 | HIV: 488, 489, | HIV: 969–970, |
| 16. Lymphoma | 200.00–202.38, 202.50–203.01, |
Leukemia/lympho ma: |
Leukemia/lympho ma: |
| Changes from 3.2 to 3.3 | None | None | New |
| 17. Metastatic cancer | 196.0–199.1, 789.51 |
Cancer, Lymphoma: 10, 11, 64, 82, |
Cancer, Lymphoma: 054, 055, 146- |
| Changes from 3.2 to 3.3 | Added 789.51 | None | New |
| 18. Solid tumor
without metastasis |
140.0–172.9, 174.0- |
Cancer, Lymphoma: |
Cancer, Lymphoma: |
| 355, 357, 363, | 715–716, 722- | ||
| Changes from 3.2 to 3.3 | Added 258.01- | None | New |
| 19. Rheumatoid arthritis/collagen | 701.0, 710.0–710.9, | Connective tissue: | Connective tissue: |
| Changes from 3.2 to 3.3 | None | None | New |
| 20. Coagulation deficiency | 286.0–286.9, 287.1, | Coagulation | Coagulation |
| Changes from 3.2 to 3.3 | None | None | New |
| 21. Obesity | 278.0, 278.00, 278.01, 649.10- |
Nutrition/metabol ic: |
Nutrition/metabol ic: |
| Changes from 3.2 to 3.3 | None | None | New |
| 22. Weight loss | 260–263.9, 783.21, | Nutrition/metabol | Nutrition/metabol |
| Changes from 3.2 to 3.3 | None | None | New |
| 23. Fluid and electrolyte disorders | 276.0–276.9 | Nutrition/metabol | Nutrition/metabol |
| Changes from 3.2 to 3.3 | None | None | New |
| 24. Blood loss anemia | 280.0, 648.20- | Anemia: 395, | Anemia: 808–812 |
| Changes from 3.2 to 3.3 | None | None | New |
| 25. Deficiency anemias | 280.1–280.9, | Anemia: 395, | Anemia: 808–812 |
| Changes from 3.2 to 3.3 | None | None | New |
| 26. Alcohol abuse | 291.0–291.3,
291.5, 291.8, 291.81, |
Alcohol or drug: 433- |
Alcohol or drug: 894- |
| Changes from 3.2 to 3.3 | None | None | New |
| 27. Drug abuse | 292.0, 292.82– 292.89, 292.9, |
Alcohol or drug: 433- |
Alcohol or drug: 894- |
| Changes from 3.2 to 3.3 | None | None | New |
| 28. Psychoses | 295.00–298.9, | Psychoses: 430 | Psychoses: 885 |
| Changes from 3.2 to 3.3 | None | None | New |
| 29. Depression | 300.4, 301.12, | Depressive | Depressive |
| Changes from 3.2 to 3.3 | None | None | New |
| Comments: The following
DRGs has been deleted prior to 2007 and renumbered to a different DRG; |
**
Agency for Health Care Research and Quality. Clinical Classifications Software (CCS) for ICD-9-CM 2008; http://www.hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp. Accessed July 10, 2008.