Description of ICD-9 comorbidity codes used by VACS
Bipolar codes were changed in this table.
|
SAS Variable name Outpatient |
SAS Variable name Inpatient |
Stata Variable Name |
Condition |
All ICD-9 Codes considered |
Description of
code |
Included in VACS study |
|
Otchf |
inchf |
admchf |
Congestive Heart Failure |
402.01 |
Malignant hypertensive heart disease w/CHF |
X |
|
|
|
|
|
402.11 |
Benign hypertensive heart disease w/chf |
X |
|
|
|
|
|
402.91 |
Unspecified hypertensive heart disease w/chf |
X |
|
|
|
|
|
404.01 |
Hypertensive heart and renal disease, with congestive heart failure, malignant |
X |
|
|
|
|
|
404.03 |
W/congestive and renal failure, malignant |
X |
|
|
|
|
|
404.11 |
Hypertensive heart and renal disease w/chf, benign |
X |
|
|
|
|
|
404.13 |
Hypertensive heart and renal disease benign w/ chf and renal failure |
X |
|
|
|
|
|
404.91 |
Unspecified w/chf |
X |
|
|
|
|
|
404.93 |
Unspecified w/chf and renal failure |
X |
|
|
|
|
|
428.0 |
Congestive heart failure |
X |
|
|
|
|
|
428.1 |
Left heart failure |
X |
|
|
|
|
|
428.9 |
Heart failure unspecified |
X |
|
Otpulm |
inpulm |
admpulm |
Pulmonary disorder |
416.0 |
Chronic pulmonary heart disease – hypertension |
X |
|
|
|
|
|
416.1 |
Kyphoscoliotic disease |
X |
|
|
|
|
|
416.8 |
Other pulmonary heart disease |
X |
|
|
|
|
|
416.9 |
Chronic pulmonary heart disease unspecified |
X |
|
|
|
|
|
490 |
Bronchitis |
X |
|
|
|
|
|
491.0 |
Simple chronic bronchitis |
X |
|
|
|
|
|
491.1 |
Mucoprulent chronic bronchitis |
X |
|
|
|
|
|
491.2 |
Obstructive chronic bronchitis |
X |
|
|
|
|
|
491.20 |
W/out mention of acute exacerbation |
X |
|
|
|
|
|
491.21 |
W/acute exacerbation |
X |
|
|
|
|
|
491.8 |
Other chronic exacerbation |
X |
|
|
|
|
|
491.9 |
Unspecified chronic bronchitis |
X |
|
|
|
|
|
492.0 |
Emphysematous bleb |
X |
|
|
|
|
|
492.8 |
Emphysema nec |
X |
|
|
|
|
|
493.00 |
Extrinsic asthma w/o status asthmaticus |
X |
|
|
|
|
|
493.01 |
Ext asthma w status asth |
X |
|
|
|
|
|
493.02 |
W/acute exacerbation |
X |
|
|
|
|
|
493.10 |
Intrinsic asthma w/o stat asth |
X |
|
|
|
|
|
493.11 |
Int asthma w/status asth |
X |
|
|
|
|
|
493.12 |
W/acute exacerbation |
X |
|
|
|
|
|
493.20 |
Chronic obstructive asthma w/o stat asth |
X |
|
|
|
|
|
493.21 |
Ch ob asthma w stat asth |
X |
|
|
|
|
|
493.22 |
W/acute exacerbation |
X |
|
|
|
|
|
493.90 |
Asthma w/o status asthm |
X |
|
|
|
|
|
493.91 |
Asthma w status asthm |
X |
|
|
|
|
|
493.92 |
W/acute exacerbation |
X |
|
|
|
|
|
494 |
Bronchiectasis |
X |
|
|
|
|
|
494.0 |
W/o acute exacerbation |
X |
|
|
|
|
|
494.1 |
W/acute exacerbation |
X |
|
|
|
|
|
495.0 |
Extrinsic allergic alveolitis – farmer’s lung |
X |
|
|
|
|
|
495.1 |
Bagassosis |
X |
|
|
|
|
|
495.2 |
Bird-fancier’s lung |
X |
|
|
|
|
|
495.3 |
Suberosis |
X |
|
|
|
|
|
495.4 |
Malt worker’s lung |
X |
|
|
|
|
|
495.5 |
Mushroom worker’s lung |
X |
|
|
|