Selection of Adjusted High Utilizers by Ambulatory Care Group (ACG) Class
| ACG | Description | Total, n | Mean Visits ± SD | Threshold* | Eligible†, n |
|---|---|---|---|---|---|
| 3 | Acute minor, age 6+ | 1,589 | 1.4 ± 0.80 | 3 | 131 |
| 4 | Acute major | 835 | 1.4 ± 0.69 | 3 | 63 |
| 5 | Likely to recur, without allergies | 1,006 | 1.4 ± 0.80 | 3 | 84 |
| 6 | Likely to recur, with allergies | 28 | 1.3 ± 0.72 | 3 | 2 |
| 7 | Asthma | 64 | 1.2 ± 0.58 | 3 | 3 |
| 8 | Chronic medical, unstable | 69 | 1.3 ± 0.97 | 4 | 1 |
| 9 | Chronic medical, stable | 398 | 1.7 ± 1.29 | 5 | 20 |
| 10 | Chronic specialty | 11 | 1.2 ± 0.40 | 2 | 2 |
| 12 | Chronic specialty, unstable | 27 | 1.2 ± 0.40 | 2 | 5 |
| 13 | Psychosocial, without psychosocial unstable | 88 | 1.3 ± 0.71 | 3 | 7 |
| 14 | Psychosocial, with psychosocial unstable, w/o psychosocial stable | 11 | 1.1 ± 0.30 | 2 | 1 |
| 16 | Preventive/administrative | 653 | 1.2 ± 0.41 | 3 | 8 |
| 17 | Pregnancy | 71 | 1.2 ± 0.42 | 3 | 2 |
| 18 | Acute minor and acute major | 785 | 2.2 ± 1.33 | 5 | 41 |
| 21 | Acute minor and likely to recur, age >5, without allergy | 747 | 2.3 ± 1.19 | 5 | 35 |
| 22 | Acute minor and likely to recur, age >5, with allergy | 39 | 2.8 ± 2.01 | 5 | 4 |
| 23 | Acute minor and chronic medical, stable | 268 | 2.2 ± 1.34 | 5 | 18 |
| 25 | Acute minor and psychosocial without psychosocial unstable | 73 | 2.1 ± 1.38 | 5 | 4 |
| 28 | Acute major and likely to recur | 510 | 2.1 ± 1.08 | 5 | 15 |
| 32 | Acute minor/acute major/likely to recur, age >5, without allergy | 753 | 3.1 ± 1.71 | 7 | 32 |
| 35 | Acute minor/likely to recur/psychosocial | 56 | 3.1 ± 1.55 | 7 | 2 |
| 36 | Acute minor/acute major/likely to recur/eye and dental | 501 | 3.9 ± 2.28 | 9 | 21 |
| 37 | Acute minor/acute major/likely to recur/psychosocial | 91 | 4.1 ± 2.02 | 9 | 3 |
| 39 | 2–3 other ADG‡ combinations, males age 17–34 | 303 | 1.9 ± 1.41 | 5 | 11 |
| 40 | 2–3 other ADG combinations, females age 17–34 | 712 | 2.0 ± 1.07 | 5 | 22 |
| 41 | 2–3 other ADG combinations, age >34 | 1,662 | 2.3 ± 1.62 | 6 | 84 |
| 43 | 4–5 other ADG combinations, age 17–44 | 1,213 | 3.0 ± 1.79 | 7 | 51 |
| 44 | 4–5 other ADG combinations, age >44 | 1,151 | 3.5 ± 2.49 | 9 | 54 |
| 47 | 6–9 other ADG combinations, males age 17–34 | 75 | 4.1 ± 2.65 | 10 | 3 |
| 48 | 6–9 other ADG combinations, females age 17–34 | 330 | 4.6 ± 2.49 | 10 | 16 |
| 49 | 6–9 other ADG combinations, age >34 | 1,458 | 4.7 ± 2.85 | 11 | 69 |
| 50 | 10+ other ADG combinations | 289 | 7.7 ± 4.17 | 16 | 16 |
| 51 | No diagnosis or only unclassified diagnosis | 149 | 1.11 ± 0.33 | 2 | 15 |
| Total | 16,015 | 845 |
*
Number of visits over the past year representing >2 SD above the mean visit frequency for individual ACG.
†
Number of patients in ACG with visit frequency ≥ 2 SD above the mean visit frequency for individual ACG.
‡
ADG, Ambulatory Diagnosis Group.