CPT 0228U
Immunoassay
Current code27 hospitals with prices
What Washington hospitals publish for this code
Commercial insurance: Rate negotiated with a private insurer or employer plan, including exchange and public-option plans.
| Hospital | Commercial insurance rates (lowest – highest) | Cash price | List price (before discounts) |
|---|---|---|---|
| Capital Medical Center | $173 – $314 | — | — |
| Deaconess Medical Center | $173 – $1,069 | — | — |
| Harborview Medical Center | $260 – $536 | — | — |
| Island Hospital | $173 – $334 | — | — |
| Kadlec Regional Medical Center | $185 – $486 | — | — |
| Legacy Salmon Creek Medical Center | $281 – $452 | — | — |
| Mary Bridge Children's Hospital | $173 – $1,336 | — | — |
| MultiCare Auburn Medical Center | $173 – $803 | — | — |
| MultiCare Covington Medical Center | $173 – $803 | — | — |
| MultiCare Good Samaritan Hospital | $173 – $803 | — | — |
| MultiCare Valley Hospital | $173 – $314 | — | — |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $180 – $1,626 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $208 – $574 | — | — |
| Providence Centralia Hospital | $292 – $647 | — | — |
| Providence Holy Family Hospital | $208 – $533 | — | — |
| Providence Regional Medical Center Everett | $173 – $401 | — | — |
| Providence St Mary Medical Center | $277 – $509 | — | — |
| Providence St Peter Hospital | $147 – $565 | — | — |
| Swedish Edmonds Hospital | $173 – $440 | — | — |
| Swedish Issaquah | $156 – $607 | — | — |
| Swedish Medical Center | $156 – $618 | — | — |
| Swedish Medical Center / Cherry Hill | $156 – $618 | — | — |
| Tacoma General Allenmore Hospital | $173 – $803 | — | — |
| University of Washington Medical Ctr | $208 – $543 | — | — |
| Virginia Mason Medical Center | $173 – $780 | — | — |
| Yakima Valley Memorial | $179 – $311 | — | — |
Medicare (traditional) reference
Only for people on original Medicare. These are CMS’s 2026 amounts. They aren’t what private insurance or cash patients pay.
- Lab fee schedule (national limit)
- $173
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0228U:
- 228U (leading zeros left off; 79 price lines)