Table 1 Positive predictive value (PPV) of the National Registry of Patients (NRP) first-listed ICD codes for the Charlson comorbidities
Charlson condition | Corresponding International Classification of Diseases, 10th revision codes | Number of correct coded contacts/number reviewed | PPV % (95% CI)* First-listed diagnoses |
|---|---|---|---|
All Charlson conditions | Â | 931/950 | 98.0 (96.9 - 98.8) |
Myocardial infarction | I21;I22;I23 | 49/50 | 98.0 (89.4 - 99.9) |
Congestive heart failure | I50; I11.0; I13.0; I13.2 | 50/50 | 100 (92.9 - 100) |
Peripheral vascular disease | I70; I71; I72; I73; I74; I77 | 50/50 | 100 (92.9 - 100) |
Cerebrovascular disease | I60-I69; G45; G46 | 47/50 | 94.0 (83.5 - 98.7) |
Dementia | F00-F03; F05.1; G30 | 49/50 | 98.0 (89.4 - 99.9) |
Chronic pulmonary disease | J40-J47; J60-J67; J68.4; J70.1; | 50/50 | 100 (92.9 - 100) |
| Â | J70.3; J84.1; J92.0; J96.1; J98.2; J98.3 | Â | Â |
Connective tissue disease | M05; M06; M08; M09;M30;M31; | 49/50 | 98.0 (89.4 - 99.9) |
| Â | M32; M33; M34; M35; M36; D86 | Â | Â |
Ulcer disease | K22.1; K25-K28 | 49/50 | 98.0 (89.4 - 99.9) |
Mild liver disease | B18; K70.0-K70.3; K70.9; K71; K73; K74; K76.0 | 50/50 | 100 (92.9 - 100) |
Diabetes mellitus | E10.0, E10.1; E10.9 | 48/50 | 96.0 (86.3 - 99.5) |
| Â | E11.0; E11.1; E11.9 | Â | Â |
Hemiplegia | G81; G82 | 50/50 | 100 (92.9 - 100) |
Moderate/severe renal disease | I12; I13; N00-N05; N07; N11; N14; N17-N19; Q61 | 50/50 | 100 (92.9 - 100) |
Diabetes mellitus with chronic complications | E10.2-E10.8 | 41/50 | 82.0 (68.6 - 91.4) |
| Â | E11.2-E11.8 | Â | Â |
Any tumor | C00-C75 | 49/50 | 98.0 (89.4 - 99.9) |
Leukemia | C91-C95 | 50/50 | 100 (92.9 - 100) |
Lymphoma | C81-C85; C88; C90; C96 | 50/50 | 100 (92.9 - 100) |
Moderate/severe liver disease | B15.0; B16.0; B16.2; B19.0; K70.4; K72; K76.6; I85 | 50/50 | 100 (92.9 - 100) |
Metastatic solid tumor | C76-C80 | 50/50 | 100 (92.9 - 100) |
AIDS | B21-B24 | 50/50 | 100 (92.9 - 100) |