CPT 0521U
Immunoassay
Current code26 hospitals with prices
What Washington hospitals publish for this code
Medicare Advantage: Rate for a private Medicare Advantage plan. Applies only to members of that plan.
| Hospital | Medicare Advantage rates (lowest – highest) | Cash price | List price (before discounts) |
|---|---|---|---|
| Capital Medical Center | $50.76 – $55.84 | — | — |
| Deaconess Medical Center | $50.76 – $55.84 | — | — |
| Harborview Medical Center | $51.80 – $56.98 | — | — |
| Island Hospital | $55.48 – $58.81 | — | — |
| Kadlec Regional Medical Center | $51.80 – $62.16 | — | — |
| Legacy Salmon Creek Medical Center | $53.35 – $58.02 | — | — |
| Mary Bridge Children's Hospital | $50.76 – $55.84 | — | — |
| MultiCare Auburn Medical Center | $50.76 – $55.84 | — | — |
| MultiCare Covington Medical Center | $50.76 – $55.84 | — | — |
| MultiCare Good Samaritan Hospital | $50.76 – $55.84 | — | — |
| MultiCare Valley Hospital | $52.29 – $55.84 | — | — |
| Olympic Medical Center | $58.25 – $74.90 | — | — |
| Overlake Hospital Medical Center & Clinics | $51.80 – $53.87 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $51.80 – $56.98 | — | — |
| Providence Centralia Hospital | $51.80 – $82.88 | — | — |
| Providence Holy Family Hospital | $51.80 – $56.98 | — | — |
| Providence Regional Medical Center Everett | $53.35 – $56.98 | — | — |
| Providence St Mary Medical Center | $51.80 – $56.98 | — | — |
| Providence St Peter Hospital | $51.80 – $82.88 | — | — |
| Swedish Edmonds Hospital | $53.35 – $56.98 | — | — |
| Swedish Issaquah | $53.35 – $56.98 | — | — |
| Swedish Medical Center | $53.35 – $56.98 | — | — |
| Swedish Medical Center / Cherry Hill | $53.35 – $56.98 | — | — |
| Tacoma General Allenmore Hospital | $50.76 – $55.84 | — | — |
| University of Washington Medical Ctr | $51.80 – $56.98 | — | — |
| Yakima Valley Memorial | $54.37 – $60.89 | — | — |
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)
- $51.80
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0521U:
- 521U (leading zeros left off; 79 price lines)