CPT 0399U
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 | $330 – $544 | — | — |
| Deaconess Medical Center | $330 – $1,854 | — | — |
| Harborview Medical Center | $450 – $600 | — | — |
| Island Hospital | $300 – $578 | — | — |
| Kadlec Regional Medical Center | $320 – $843 | — | — |
| Legacy Salmon Creek Medical Center | $488 – $783 | — | — |
| Mary Bridge Children's Hospital | $2,316 | — | — |
| MultiCare Auburn Medical Center | $330 – $1,392 | — | — |
| MultiCare Covington Medical Center | $330 – $1,392 | — | — |
| MultiCare Good Samaritan Hospital | $330 – $1,392 | — | — |
| MultiCare Valley Hospital | $330 – $544 | — | — |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $330 – $2,820 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $360 – $995 | — | — |
| Providence Centralia Hospital | $507 – $1,122 | — | — |
| Providence Holy Family Hospital | $360 – $923 | — | — |
| Providence Regional Medical Center Everett | $300 – $696 | — | — |
| Providence St Mary Medical Center | $480 – $883 | — | — |
| Providence St Peter Hospital | $255 – $980 | — | — |
| Swedish Edmonds Hospital | $300 – $762 | — | — |
| Swedish Issaquah | $270 – $666 | — | — |
| Swedish Medical Center | $270 – $1,072 | — | — |
| Swedish Medical Center / Cherry Hill | $270 – $1,072 | — | — |
| Tacoma General Allenmore Hospital | $330 – $1,392 | — | — |
| University of Washington Medical Ctr | $360 – $941 | — | — |
| Virginia Mason Medical Center | $360 – $1,064 | — | — |
| Yakima Valley Memorial | $330 – $538 | — | — |
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)
- $300
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0399U:
- 399U (leading zeros left off; 79 price lines)