California hospitals with longer ED times tended to have more patients leave unseen
Each dot is one California hospital: median minutes discharged patients spent in the ED (OP-18b, October 2024 to September 2025) against the share of ED patients who left before being seen (OP-22, 2024), colored by ED volume group
Show the numbers as a table
| Item | Group | Median minutes in the ED, patients sent home | Share who left before being seen |
|---|---|---|---|
| California hospital 49 | Low volume | 139 min | 1% |
| California hospital 176 | Very high volume | 194 min | 2% |
| California hospital 251 | Very high volume | 268 min | 3% |
| California hospital 105 | Medium volume | 160 min | 6% |
| California hospital 75 | Medium volume | 150 min | 3% |
| California hospital 148 | Very high volume | 180 min | 1% |
| California hospital 14 | Low volume | 108 min | 1% |
| California hospital 162 | Very high volume | 188 min | 1% |
| California hospital 40 | Low volume | 133 min | 1% |
| California hospital 61 | Medium volume | 144 min | 1% |
| California hospital 54 | Medium volume | 140 min | 1% |
| California hospital 93 | High volume | 156 min | 1% |
| California hospital 129 | Medium volume | 171 min | 2% |
| California hospital 31 | Low volume | 130 min | 1% |
| California hospital 125 | Medium volume | 170 min | 2% |
| California hospital 188 | Medium volume | 198 min | 2% |
| California hospital 51 | Medium volume | 139 min | 2% |
| California hospital 70 | Medium volume | 148 min | 2% |
| California hospital 189 | Very high volume | 199 min | 2% |
| California hospital 57 | Medium volume | 141 min | 3% |
| California hospital 202 | Low volume | 210 min | 2% |
| California hospital 85 | Low volume | 153 min | 1% |
| California hospital 38 | Medium volume | 133 min | 1% |
| California hospital 228 | High volume | 235 min | 2% |
| California hospital 200 | High volume | 208 min | 2% |
| California hospital 95 | Low volume | 157 min | 1% |
| California hospital 249 | Very high volume | 264 min | 2% |
| California hospital 195 | Very high volume | 204 min | 1% |
| California hospital 233 | Very high volume | 240 min | 4% |
| California hospital 20 | Low volume | 116 min | 3% |
| California hospital 107 | Medium volume | 163 min | 4% |
| California hospital 36 | Low volume | 132 min | 1% |
| California hospital 52 | Low volume | 139 min | 2% |
| California hospital 242 | Very high volume | 254 min | 2% |
| California hospital 194 | Medium volume | 204 min | 4% |
| California hospital 187 | High volume | 198 min | 2% |
| California hospital 102 | Low volume | 160 min | 2% |
| California hospital 150 | High volume | 180 min | 2% |
| California hospital 266 | Very high volume | 355 min | 9% |
| California hospital 163 | High volume | 188 min | 3% |
| California hospital 79 | Low volume | 151 min | 2% |
| California hospital 58 | Low volume | 141 min | 0% |
| California hospital 135 | High volume | 174 min | 4% |
| California hospital 237 | Very high volume | 242 min | 1% |
| California hospital 96 | Low volume | 157 min | 3% |
| California hospital 151 | Low volume | 181 min | 1% |
| California hospital 264 | Low volume | 322 min | 9% |
| California hospital 24 | Low volume | 121 min | 4% |
| California hospital 17 | Low volume | 113 min | 1% |
| California hospital 201 | Medium volume | 209 min | 4% |
| California hospital 84 | Very high volume | 153 min | 2% |
| California hospital 114 | Very high volume | 166 min | 0% |
| California hospital 168 | Very high volume | 190 min | 0% |
| California hospital 223 | Very high volume | 232 min | 2% |
| California hospital 128 | Medium volume | 171 min | 4% |
| California hospital 210 | High volume | 218 min | 2% |
| California hospital 82 | Medium volume | 152 min | 3% |
| California hospital 147 | Very high volume | 178 min | 2% |
| California hospital 118 | High volume | 167 min | 2% |
| California hospital 110 | Medium volume | 164 min | 1% |
| California hospital 211 | Very high volume | 221 min | 3% |
| California hospital 154 | High volume | 183 min | 1% |
| California hospital 132 | Low volume | 172 min | 6% |
| California hospital 180 | High volume | 194 min | 3% |
| California hospital 247 | Very high volume | 259 min | 0% |
| California hospital 108 | Very high volume | 163 min | 0% |
| California hospital 254 | Medium volume | 279 min | 5% |
| California hospital 103 | High volume | 160 min | 0% |
| California hospital 167 | Very high volume | 190 min | 1% |
| California hospital 166 | Very high volume | 190 min | 2% |
| California hospital 41 | Low volume | 134 min | 2% |
| California hospital 161 | Very high volume | 188 min | 3% |
| California hospital 56 | Low volume | 140 min | 1% |
| California hospital 91 | Low volume | 155 min | 5% |
| California hospital 111 | Medium volume | 164 min | 1% |
| California hospital 42 | Medium volume | 134 min | 1% |
| California hospital 67 | Medium volume | 146 min | 0% |
| California hospital 153 | Very high volume | 183 min | 1% |
| California hospital 183 | Medium volume | 196 min | 4% |
| California hospital 33 | Low volume | 131 min | 3% |
| California hospital 72 | Medium volume | 149 min | 2% |
| California hospital 50 | Very high volume | 139 min | 0% |
| California hospital 3 | Medium volume | 76 min | 0% |
| California hospital 182 | Very high volume | 196 min | 2% |
| California hospital 87 | Medium volume | 153 min | 1% |
| California hospital 7 | Low volume | 94 min | 0% |
| California hospital 205 | High volume | 213 min | 2% |
| California hospital 136 | Very high volume | 174 min | 1% |
| California hospital 89 | Medium volume | 154 min | 1% |
| California hospital 152 | Very high volume | 182 min | 6% |
| California hospital 178 | Very high volume | 194 min | 1% |
| California hospital 235 | High volume | 241 min | 4% |
| California hospital 98 | Low volume | 158 min | 7% |
| California hospital 250 | Very high volume | 268 min | 4% |
| California hospital 73 | Low volume | 149 min | 2% |
| California hospital 28 | Low volume | 124 min | 1% |
| California hospital 62 | High volume | 144 min | 1% |
| California hospital 65 | Very high volume | 145 min | 1% |
| California hospital 127 | Very high volume | 171 min | 1% |
| California hospital 241 | Very high volume | 254 min | 2% |
| California hospital 259 | High volume | 306 min | 11% |
| California hospital 109 | Low volume | 163 min | 4% |
| California hospital 196 | Low volume | 204 min | 3% |
| California hospital 261 | Very high volume | 313 min | 3% |
| California hospital 263 | Very high volume | 320 min | 4% |
| California hospital 224 | High volume | 232 min | 6% |
| California hospital 267 | Very high volume | 413 min | 6% |
| California hospital 215 | High volume | 224 min | 1% |
| California hospital 126 | Medium volume | 171 min | 4% |
| California hospital 77 | Low volume | 151 min | 0% |
| California hospital 256 | Very high volume | 286 min | 2% |
| California hospital 100 | High volume | 159 min | 1% |
| California hospital 26 | Low volume | 122 min | 6% |
| California hospital 137 | Very high volume | 175 min | 3% |
| California hospital 141 | High volume | 176 min | 1% |
| California hospital 27 | Low volume | 123 min | 1% |
| California hospital 140 | Medium volume | 176 min | 2% |
| California hospital 76 | Very high volume | 150 min | 1% |
| California hospital 13 | Low volume | 105 min | 1% |
| California hospital 83 | Medium volume | 152 min | 2% |
| California hospital 48 | Medium volume | 138 min | 3% |
| California hospital 245 | Very high volume | 258 min | 1% |
| California hospital 255 | Very high volume | 284 min | 3% |
| California hospital 90 | High volume | 154 min | 0% |
| California hospital 198 | High volume | 206 min | 1% |
| California hospital 143 | Low volume | 176 min | 2% |
| California hospital 121 | High volume | 170 min | 1% |
| California hospital 173 | Very high volume | 193 min | 1% |
| California hospital 134 | High volume | 174 min | 1% |
| California hospital 214 | Very high volume | 224 min | 2% |
| California hospital 6 | Low volume | 89 min | 1% |
| California hospital 179 | High volume | 194 min | 1% |
| California hospital 186 | Very high volume | 197 min | 1% |
| California hospital 157 | Very high volume | 185 min | 2% |
| California hospital 225 | Low volume | 233 min | 1% |
| California hospital 86 | Medium volume | 153 min | 4% |
| California hospital 4 | Medium volume | 87 min | 0% |
| California hospital 39 | Low volume | 133 min | 1% |
| California hospital 97 | Very high volume | 158 min | 1% |
| California hospital 69 | Medium volume | 148 min | 3% |
| California hospital 16 | Low volume | 110 min | 1% |
| California hospital 115 | Very high volume | 166 min | 2% |
| California hospital 142 | Very high volume | 176 min | 2% |
| California hospital 19 | Low volume | 115 min | 1% |
| California hospital 208 | Very high volume | 215 min | 1% |
| California hospital 92 | Low volume | 156 min | 2% |
| California hospital 53 | Medium volume | 140 min | 3% |
| California hospital 159 | Medium volume | 186 min | 1% |
| California hospital 145 | Low volume | 177 min | 5% |
| California hospital 238 | Medium volume | 243 min | 13% |
| California hospital 218 | Low volume | 227 min | 5% |
| California hospital 60 | Very high volume | 142 min | 1% |
| California hospital 221 | Very high volume | 231 min | 2% |
| California hospital 193 | Medium volume | 200 min | 2% |
| California hospital 160 | Medium volume | 188 min | 4% |
| California hospital 130 | High volume | 172 min | 1% |
| California hospital 138 | High volume | 176 min | 2% |
| California hospital 123 | Medium volume | 170 min | 2% |
| California hospital 236 | High volume | 242 min | 5% |
| California hospital 220 | High volume | 230 min | 6% |
| California hospital 230 | Very high volume | 237 min | 5% |
| California hospital 170 | High volume | 191 min | 1% |
| California hospital 23 | Low volume | 120 min | 0% |
| California hospital 197 | Very high volume | 206 min | 1% |
| California hospital 104 | Very high volume | 160 min | 1% |
| California hospital 88 | Very high volume | 154 min | 1% |
| California hospital 119 | Medium volume | 169 min | 1% |
| California hospital 257 | Very high volume | 291 min | 2% |
| California hospital 227 | Very high volume | 234 min | 1% |
| California hospital 81 | Medium volume | 152 min | 2% |
| California hospital 80 | Low volume | 151 min | 5% |
| California hospital 191 | Very high volume | 200 min | 1% |
| California hospital 106 | High volume | 163 min | 2% |
| California hospital 133 | Medium volume | 174 min | 3% |
| California hospital 219 | Very high volume | 228 min | 1% |
| California hospital 207 | Very high volume | 214 min | 2% |
| California hospital 248 | Very high volume | 263 min | 2% |
| California hospital 222 | Very high volume | 231 min | 1% |
| California hospital 181 | Low volume | 195 min | 10% |
| California hospital 164 | Very high volume | 189 min | 1% |
| California hospital 226 | Very high volume | 234 min | 0% |
| California hospital 260 | High volume | 312 min | 5% |
| California hospital 234 | Very high volume | 240 min | 2% |
| California hospital 231 | Very high volume | 238 min | 1% |
| California hospital 155 | Medium volume | 185 min | 2% |
| California hospital 185 | Very high volume | 197 min | 1% |
| California hospital 243 | Very high volume | 257 min | 2% |
| California hospital 68 | Low volume | 147 min | 2% |
| California hospital 46 | Medium volume | 138 min | 3% |
| California hospital 174 | High volume | 194 min | 4% |
| California hospital 204 | High volume | 213 min | 4% |
| California hospital 122 | High volume | 170 min | 3% |
| California hospital 78 | Medium volume | 151 min | 1% |
| California hospital 156 | High volume | 185 min | 2% |
| California hospital 71 | Very high volume | 149 min | 0% |
| California hospital 213 | High volume | 224 min | 1% |
| California hospital 59 | Low volume | 141 min | 1% |
| California hospital 192 | Very high volume | 200 min | 1% |
| California hospital 158 | High volume | 186 min | 1% |
| California hospital 175 | Very high volume | 194 min | 3% |
| California hospital 9 | Low volume | 96 min | 1% |
| California hospital 35 | Medium volume | 132 min | 1% |
| California hospital 177 | Very high volume | 194 min | 1% |
| California hospital 29 | Medium volume | 126 min | 0% |
| California hospital 184 | Very high volume | 197 min | 2% |
| California hospital 94 | Medium volume | 156 min | 4% |
| California hospital 55 | Medium volume | 140 min | 2% |
| California hospital 64 | Medium volume | 145 min | 3% |
| California hospital 165 | High volume | 189 min | 1% |
| California hospital 22 | Low volume | 119 min | 1% |
| California hospital 229 | Medium volume | 237 min | 2% |
| California hospital 12 | Low volume | 104 min | 0% |
| California hospital 2 | Low volume | 74 min | 1% |
| California hospital 171 | Very high volume | 191 min | 1% |
| California hospital 139 | Very high volume | 176 min | 1% |
| California hospital 37 | Medium volume | 133 min | 1% |
| California hospital 112 | Very high volume | 165 min | 1% |
| California hospital 216 | Very high volume | 225 min | 2% |
| California hospital 74 | High volume | 150 min | 2% |
| California hospital 101 | Medium volume | 160 min | 3% |
| California hospital 252 | Very high volume | 276 min | 3% |
| California hospital 190 | High volume | 199 min | 4% |
| California hospital 44 | Medium volume | 136 min | 2% |
| California hospital 43 | Medium volume | 134 min | 1% |
| California hospital 30 | Medium volume | 128 min | 3% |
| California hospital 63 | High volume | 144 min | 1% |
| California hospital 149 | High volume | 180 min | 2% |
| California hospital 34 | Medium volume | 131 min | 1% |
| California hospital 172 | Very high volume | 192 min | 1% |
| California hospital 217 | Very high volume | 226 min | 1% |
| California hospital 203 | High volume | 212 min | 2% |
| California hospital 45 | Medium volume | 136 min | 1% |
| California hospital 113 | High volume | 165 min | 1% |
| California hospital 25 | Low volume | 121 min | 1% |
| California hospital 209 | High volume | 215 min | 0% |
| California hospital 144 | Very high volume | 177 min | 1% |
| California hospital 240 | High volume | 248 min | 2% |
| California hospital 246 | Very high volume | 259 min | 4% |
| California hospital 99 | High volume | 158 min | 0% |
| California hospital 232 | Medium volume | 238 min | 1% |
| California hospital 212 | Medium volume | 222 min | 1% |
| California hospital 262 | Very high volume | 318 min | 2% |
| California hospital 131 | Very high volume | 172 min | 1% |
| California hospital 47 | Medium volume | 138 min | 2% |
| California hospital 116 | Low volume | 166 min | 1% |
| California hospital 253 | Very high volume | 276 min | 4% |
| California hospital 265 | Very high volume | 328 min | 3% |
| California hospital 244 | High volume | 258 min | 4% |
| California hospital 239 | Medium volume | 243 min | 5% |
| California hospital 199 | Very high volume | 208 min | 4% |
| California hospital 146 | High volume | 178 min | 4% |
| California hospital 206 | Medium volume | 213 min | 2% |
| California hospital 120 | Very high volume | 169 min | 1% |
| California hospital 124 | Medium volume | 170 min | 2% |
| California hospital 169 | Medium volume | 190 min | 2% |
| California hospital 10 | Medium volume | 103 min | 0% |
| California hospital 15 | Medium volume | 110 min | 1% |
| California hospital 32 | Low volume | 131 min | 1% |
| California hospital 258 | Very high volume | 300 min | 7% |
About the data
- Source
- CMS Provider Data Catalog, Timely and Effective Care - Hospital (July 2026 release) (opens in a new tab)Measures OP_18b (October 1, 2024 to September 30, 2025), OP_22 and EDV (calendar year 2024), California rows
- Method
- California hospitals with both measures reported (259). CMS prints OP-22 as a whole percent. The rank correlation (Spearman) is 0.37, a link that says nothing about cause; the two measures also cover different periods.
- Published
Free to share and embed with credit to Kent Applied (CC BY 4.0). The source data keeps its own terms.
A fact from this chart
Sources for the figures above: CMS Provider Data Catalog, Timely and Effective Care - State (July 2026 release) (opens in a new tab).
Related charts
- From research
Transfers out of California EDs took a median 398 minutes, 111 more than nationally
CMS Provider Data Catalog, Timely and Effective Care - State (July 2026 release); CMS Provider Data Catalog, Timely and Effective Care - National (July 2026 release) - From research
California's discharged ED patients: median 174 minutes; 11 states and DC were longer
CMS Provider Data Catalog, Timely and Effective Care - State (July 2026 release); CMS Provider Data Catalog, Timely and Effective Care - National (July 2026 release) - From research
California hospitals in a volume group: 74 to 413 minutes for patients sent home
CMS Provider Data Catalog, Timely and Effective Care - Hospital (July 2026 release) - From research
By ED size, California's times are near the national ones, except at the smallest EDs
CMS Provider Data Catalog, Timely and Effective Care - State (July 2026 release); CMS Provider Data Catalog, Timely and Effective Care - National (July 2026 release); CMS Provider Data Catalog, Timely and Effective Care - Hospital (July 2026 release)
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