Table 4. Diagnoses and procedures with the greatest change effect on casemix index (CMI), pre- versus post-intervention.
| Description | ICD/CPT
code |
Major effects | Notes |
|---|---|---|---|
| Neoplasms | C00-D49 | Increased ss-CMI (87%) | Greatest change on ss-CMI ⬇10,179 cases, net |
| Mainly due to malignant neoplasm of breast and
acute lymphoblastic leukemia |
|||
| Concurrent with increase in chemotherapy Z51.1
⬆11,666 cases |
|||
|
Intestinal infectious diseases
(category) |
A00-A09 | ⬇961 ms-cases; ⬆263 ss-cases | |
|
Diarrhea and gastroenteritis of
presumed infectious origin |
A09 | Increased ms-CMI (25%) | Greatest change on ms-CMI ⬇2,237 ms-cases;
⬆179 ss-cases |
|
Unspecified non-infective
gastroenteritis and colitis |
K52.9 | Decreased ms-CMI (2%) | ⬇745 ms-cases; ⬇108 ss-cases |
| Abdominal and pelvic pain (category) | R10-R10.4 | ⬆2,970 ms-cases, net | |
|
Abdominal and pelvic pain, other/
unspecified abdominal pain |
R10, R10.4 | Increased ms- and ss-CMI | ⬇1,975 ms-cases; ⬆174 ss-cases |
| Influenza and pneumonia | J09-J18 | Decreased ms-CMI (4%) | ⬆3,909 ms-cases; ⬆298 ss-cases |
| Pneumonia, non-specific | J18 | ⬇1,456 ms-cases | |
| Pneumonia, specific | J18.0, J18.9 | ⬆4,692 ms-cases | |
| COPD | J44-J44.9 | Increased ms-CMI (5%) | ⬆1,306 ms-cases, net |
| COPD with acute exacerbation | J44.1 | ⬆625 ms-cases | |
| COPD, non-specific | J44 | ⬇234 ms-cases | |
| Acute bronchitis | J20-J20.9 | Decreased ms-CMI (3%) | ⬆1,145 ms-cases |
| J20 | ⬆747 ms-cases | ||
| Essential hypertension | I10 | ⬇957 ms-cases; ⬆174 ss-cases | |
| Ischemic heart diseases | I20-I25.9 | Decreased ms-CMI (7%) | ⬇1,100 ms-cases; ⬆275 ss-cases |
| Mainly due to angina pectoris and acute
myocardial infarction |
|||
| Fever of unknown origin | R50 | Increased ms-CMI (3%) | ⬇989 ms-cases; ⬇12 ss-cases |
| Stroke | I64 | Decreased ms-CMI (2%) | ⬇383 ms-cases; ⬆12 ss-cases |
|
Respiratory distress of newborn,
non-specific |
P22 | ⬇334 ms-cases | |
|
Respiratory distress of newborn,
specific |
P22.0 | ⬆287 ms-cases | |
| Vaginal delivery | F9410L1 | Increased surgical CMI (43%) | ⬇3,939 cases |
| Greatest change in absolute and in CMI share
among all ICD/CPT codes |
|||
|
Percutaneous Transluminal Coronary
Angioplasty (PTCA) |
X2983/6 | Increased surgical CMI (36%) | ⬆778 cases |
ss, short-stay; ms, medium-stay; COPD, chronic obstructive pulmonary disease; ICD, International Classification of Diseases; CPT, Common Procedural Terminology.