Skip to main content

Table 1 Rates of Chronic Conditions Among VA Patients Using ICD-9 and ICD-10 codes, N = 1.0 million

From: Comparing chronic condition rates using ICD-9 and ICD-10 in VA patients FY2014–2016

Conditions Dx in FY14 Dx in FY15 % Dx in FY14 but not FY15 Dx in FY16 % Dx in FY15 but not FY16 Total Rate FY14 Total Rate FY15 Total Rate FY16 Odds Ratio for ICD-10 Predicting Dx
Also Dx in FY14 Newly Dx in FY15 Also Dx in FY15 Newly Dx in FY16
Physical Health
 Acid Related Diseases 19.09% 12.47% 6.91% 6.61% 10.60% 6.86% 8.79% 19.1% 19.4% 17.5% 0.79
 Alzheimer’s Disease 0.31% 0.21% 0.20% 0.10% 0.25% 0.37% 0.17% 0.3% 0.4% 0.6% 2.88
 Arthritis 19.51% 12.24% 7.79% 7.26% 8.70% 6.11% 11.33% 19.5% 20.0% 14.8% 0.55
 Asthma 3.81% 2.52% 1.33% 1.28% 1.99% 1.12% 1.85% 3.8% 3.8% 3.1% 0.60
 Cancer (all types) 10.15% 7.30% 3.70% 2.85% 6.81% 3.84% 4.20% 10.2% 11.0% 10.6% 1.02†
 Chronic Obstructive Pulmonary Disease 9.87% 7.57% 3.23% 2.30% 7.44% 3.38% 3.36% 9.9% 10.8% 10.8% 1.16
 Colorectal Cancer 0.76% 0.52% 0.28% 0.24% 0.41% 0.25% 0.39% 0.8% 0.8% 0.7% 0.67
 Diabetes 26.48% 24.63% 2.79% 1.85% 24.91% 2.98% 2.51% 26.5% 27.4% 27.9% 1.41
 HIV/AIDS 0.54% 0.52% 0.03% 0.02% 0.47% 0.02% 0.08% 0.5% 0.5% 0.5% 0.31
 Headache 6.22% 3.27% 3.16% 2.95% 2.76% 2.68% 3.66% 6.2% 6.4% 5.4% 0.75
 Heart Failure 3.97% 2.87% 1.70% 1.10% 2.94% 2.27% 1.63% 4.0% 4.6% 5.2% 1.66
 Hepatitis C 2.66% 2.14% 0.66% 0.52% 1.96% 0.58% 0.84% 2.7% 2.8% 2.5% 0.77
 Hypertension 55.37% 48.46% 7.35% 6.91% 46.22% 7.93% 9.59% 55.4% 55.8% 54.1% 0.85
 Ischemic Heart Disease 16.06% 12.88% 3.73% 3.18% 11.10% 3.65% 5.51% 16.1% 16.6% 14.8% 0.69
 Lower Back Pain 24.27% 16.49% 9.00% 7.78% 14.84% 8.43% 10.65% 24.3% 25.5% 23.3% 0.84
 Lung Cancer 0.47% 0.37% 0.26% 0.10% 0.33% 0.27% 0.30% 0.5% 0.6% 0.6% 1.20
 Multiple Sclerosis 0.32% 0.29% 0.03% 0.03% 0.29% 0.04% 0.04% 0.3% 0.3% 0.3% 1.05†
 Parkinson’s Disease 0.81% 0.69% 0.24% 0.12% 0.73% 0.26% 0.20% 0.8% 0.9% 1.0% 1.69
 Peripheral Vascular Disease 4.72% 3.10% 2.10% 1.62% 2.79% 2.63% 2.41% 4.7% 5.2% 5.4% 1.21
 Pneumonia 1.18% 0.22% 1.22% 0.96% 0.24% 1.37% 1.21% 1.2% 1.4% 1.6% 1.27
 Prostate Cancer 4.48% 3.49% 1.22% 0.99% 3.04% 1.08% 1.67% 4.5% 4.7% 4.1% 0.70
 Prostatic Hyperplasia 11.96% 7.71% 4.84% 4.25% 5.93% 4.47% 6.61% 12.0% 12.5% 10.4% 0.70
 Renal Failure 6.49% 4.65% 2.79% 1.84% 4.54% 2.65% 2.90% 6.5% 7.4% 7.2% 1.09
 Spinal Cord Injury 0.39% 0.34% 0.08% 0.05% 0.34% 0.14% 0.08% 0.4% 0.4% 0.5% 2.05
 Stroke 3.71% 2.36% 1.69% 1.35% 1.95% 2.64% 2.11% 3.7% 4.1% 4.6% 1.39
Mental Health
 Dementia 1.69% 1.25% 0.87% 0.44% 1.33% 1.14% 0.79% 1.7% 2.1% 2.5% 1.86
 Alcohol Dependence 4.05% 2.45% 1.57% 1.60% 1.57% 1.43% 2.46% 4.1% 4.0% 3.0% 0.56
 Alcohol Abuse 3.76% 1.93% 1.96% 1.83% 1.37% 2.07% 2.52% 3.8% 3.9% 3.4% 0.84
 Drug Dependence 4.49% 2.77% 1.88% 1.72% 2.09% 1.48% 2.56% 4.5% 4.7% 3.6% 0.60
 Tobacco/Nicotine Dep 16.02% 10.94% 4.95% 5.08% 8.39% 3.98% 7.49% 16.0% 15.9% 12.4% 0.52
 Schizophrenia 1.70% 1.50% 0.22% 0.20% 1.44% 0.26% 0.28% 1.7% 1.7% 1.7% 0.99†
 Bipolar [Manic Depression] 2.65% 2.13% 0.58% 0.52% 1.95% 0.53% 0,75% 2.7% 2.7% 2.5% 0.74
 Depression 20.97% 15.48% 6.08% 5.49% 13.08% 5.16% 8.48% 21.0% 21.6% 18.2% 0.64
 PTSD 14.56% 12.17% 3.05% 2.39% 11.89% 2.77% 3.33% 14.6% 15.2% 14.7% 0.93
  1. Dx = diagnosed with ICD-9 or ICD-10 codes
  2. Patients were identified with each condition if they had at least one inpatient/outpatient encounter with one of the indicated diagnosis ICD-9 codes in FY2014–2015 and ICD-10 codes in FY2016
  3. †All conditions had odds ratios with a P-value <0.001 with the exception of all cancers (P = 0.005), multiple sclerosis (P = 0.406), and schizophrenia (P = 0.675)