Table 2.
Accuracy of Diabetic Retinopathy related billing codes reflecting the medical chart through positive (PPV) and negative (NPV) predictive values, sensitivity and specificity
| PPV | NPV | Sensitivity | Specificity | |
|---|---|---|---|---|
| High volume | ||||
|
| ||||
| Intravitreal Injection | 97.5% | 99.5% | 99.3% | 98.3% |
| Focal Laser | 100% | 99.7% | 94.1% | 100% |
| Panretinal Photocoagulation | 100% | 99.8% | 97.9% | 100% |
| Ranibizumab | 90.5% | 99.6% | 98.6% | 97.2% |
| Bevacizumab | 89.5% | 99.4% | 96.9% | 98.0% |
| Fundus Photography | 94.1% | 99.5% | 92.8% | 99.6% |
| Fluorescein Angiography | 96.7% | 99.7% | 96.7% | 99.7% |
| Optical Coherence Tomography | 97.7% | 94.7% | 96.3% | 96.7% |
| Procedure Laterality | 99.0% | 88.6% | 87.6% | 99.1% |
|
| ||||
| Low volume | ||||
|
| ||||
| Aflibercept | 100% | 100% | 100% | 100% |
| Triamcinolone | 100% | 99.9% | 88.9% | 100% |
| Dexamethasone implant | 100% | 100% | 100% | 100% |
| Subtenons Injection | 100% | 99.7% | 40.0% | 100% |
| B-scan Ultrasound | 69.6% | 99.9% | 94.1% | 99.3% |