Kil et al reported the Asan Comorbidity Index (ACI) based on data on Korean patients. The authors are from Ulsan University and Asan Medical Center in Seoul.
Diagnosis
ICD-10 Code
Points
diabetes mellitus
E100-E149
1
diabetic retinopathy
H360
1
gastric varices
I864
1
pleural effusion
J90
1
diseases of the peritoneum
K650-K679
1
viral hepatitis
B150-B199
2
malignant neoplasm without metastasis
C000-C759; C810-C979
2
aplastic and other anemias
D600-D649
2
other diseases of the blood and blood-forming organs
D700-D779
2
cerebral palsy and other paralytic syndromes
G800-G839
2
disorders of the ocular muscles, binocular movement, accomodation, and refraction
H490-H529
2
esophageal varices
J982
2
influenza and pneumonia
K090-J189
2
chronic lower respiratory disease
J400-J479, excluding J459 (asthma)
2
osteopathies and chondropathies
M800-M949
2
malignant neoplasm with metastasis
C760-C809
3
coagulation defects, purpura, and other hemorrhagic conditions
D650-D699
3
portal thrombosis
I81
3
hepatic failure
K720-K729
3
septicemia, unspecified
A400-A419
4
ACI =
= SUM(points for all 20 conditions)
Interpretation:
• minimum ACI: 0
• maximum ACI: 39
• The higher the index the worse the comorbidity and the greater the mortality rate.
Performance:
• The area under the ROC curve is 0.70.
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