Table 2. Top 10 Psychiatric Case Mix System Mental Health Groups That Were Missed by Medicare Advantage Risk Adjustment System Version 21a.
| Mental Health Diagnostic Group | No. (%) of Patients (n = 1 266 938) |
|---|---|
| Nicotine dependence | 509 926 (40.2) |
| Depression, not otherwise specified | 396 062 (31.3) |
| Posttraumatic stress disorder | 345 338 (27.3) |
| Anxiety | 129 808 (10.2) |
| Organic other | 120 324 (9.5) |
| Alcohol abuse | 73 910 (5.8) |
| Adjustment reaction | 71 128 (5.6) |
| Neurotic depression | 63 390 (5.0) |
| Sexual dysfunction | 59 026 (4.7) |
| General anxiety | 44 130 (3.5) |
a
Measured using diagnostic codes as specified by the Psychiatric Case Mix System.