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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)