CPT 0558U
Immunoassay
Current code26 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 | $22.89 – $37.73 | — | — |
| Deaconess Medical Center | $22.89 – $37.73 | — | — |
| Harborview Medical Center | $31.21 – $41.62 | — | — |
| Island Hospital | $20.81 – $40.12 | — | — |
| Kadlec Regional Medical Center | $35.17 – $58.46 | — | — |
| Legacy Salmon Creek Medical Center | $41.62 | — | — |
| Mary Bridge Children's Hospital | — | — | — |
| MultiCare Auburn Medical Center | $22.89 – $40.79 | — | — |
| MultiCare Covington Medical Center | $22.89 – $40.79 | — | — |
| MultiCare Good Samaritan Hospital | $22.89 – $40.79 | — | — |
| MultiCare Valley Hospital | $22.89 – $37.73 | — | — |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $22.89 – $54.73 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $24.97 – $69.04 | — | — |
| Providence Centralia Hospital | $35.17 – $77.81 | — | — |
| Providence Holy Family Hospital | $24.97 – $64.05 | — | — |
| Providence Regional Medical Center Everett | $20.81 – $48.28 | — | — |
| Providence St Mary Medical Center | $33.30 – $61.22 | — | — |
| Providence St Peter Hospital | $17.69 – $67.94 | — | — |
| Swedish Edmonds Hospital | $20.81 – $52.86 | — | — |
| Swedish Issaquah | $18.73 – $46.20 | — | — |
| Swedish Medical Center | $18.73 – $74.33 | — | — |
| Swedish Medical Center / Cherry Hill | $18.73 – $74.33 | — | — |
| Tacoma General Allenmore Hospital | $22.89 – $40.79 | — | — |
| University of Washington Medical Ctr | $24.97 – $65.26 | — | — |
| Yakima Valley Memorial | $22.89 – $37.35 | — | — |
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)
- $20.81
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0558U:
- 558U (leading zeros left off; 79 price lines)