CPT 0521U
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 | $56.98 – $93.91 | — | — |
| Deaconess Medical Center | $56.98 – $93.91 | — | — |
| Harborview Medical Center | $77.70 – $104 | — | — |
| Island Hospital | $51.80 – $99.86 | — | — |
| Kadlec Regional Medical Center | $87.54 – $146 | — | — |
| Legacy Salmon Creek Medical Center | $104 | — | — |
| Mary Bridge Children's Hospital | — | — | — |
| MultiCare Auburn Medical Center | $56.98 – $102 | — | — |
| MultiCare Covington Medical Center | $56.98 – $102 | — | — |
| MultiCare Good Samaritan Hospital | $56.98 – $102 | — | — |
| MultiCare Valley Hospital | $56.98 – $93.91 | — | — |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $56.98 – $136 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $62.16 – $172 | — | — |
| Providence Centralia Hospital | $87.54 – $194 | — | — |
| Providence Holy Family Hospital | $62.16 – $159 | — | — |
| Providence Regional Medical Center Everett | $51.80 – $120 | — | — |
| Providence St Mary Medical Center | $82.88 – $152 | — | — |
| Providence St Peter Hospital | $44.03 – $169 | — | — |
| Swedish Edmonds Hospital | $51.80 – $132 | — | — |
| Swedish Issaquah | $46.62 – $115 | — | — |
| Swedish Medical Center | $46.62 – $185 | — | — |
| Swedish Medical Center / Cherry Hill | $46.62 – $185 | — | — |
| Tacoma General Allenmore Hospital | $56.98 – $102 | — | — |
| University of Washington Medical Ctr | $62.16 – $162 | — | — |
| Yakima Valley Memorial | $56.98 – $92.97 | — | — |
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)