CPT 0431U
Immunoassay
Current code29 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 | $40.23 – $173 | $81.60 | $204 |
| Deaconess Medical Center | $40.23 – $226 | $108 | $271 |
| EvergreenHealth Medical Center | $13.76 – $546 | $34.40 – $470 | $43.00 – $587 |
| EvergreenHealth Monroe | $43.88 – $546 | $470 | $587 |
| Harborview Medical Center | $54.86 – $73.14 | — | — |
| Island Hospital | $36.57 – $70.51 | — | — |
| Kadlec Regional Medical Center | $39.06 – $103 | — | — |
| Legacy Salmon Creek Medical Center | $59.43 – $95.45 | — | — |
| Mary Bridge Children's Hospital | $43.88 – $282 | $81.60 | $204 |
| MultiCare Auburn Medical Center | $40.23 – $170 | $81.60 | $204 |
| MultiCare Covington Medical Center | $40.23 – $170 | $81.60 | $204 |
| MultiCare Good Samaritan Hospital | $40.23 – $170 | $81.60 | $204 |
| MultiCare Valley Hospital | $40.23 – $195 | $108 | $271 |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $40.23 – $344 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $43.88 – $121 | — | — |
| Providence Centralia Hospital | $61.80 – $137 | — | — |
| Providence Holy Family Hospital | $43.88 – $113 | — | — |
| Providence Regional Medical Center Everett | $36.57 – $84.84 | — | — |
| Providence St Mary Medical Center | $58.51 – $108 | — | — |
| Providence St Peter Hospital | $31.08 – $119 | — | — |
| Swedish Edmonds Hospital | $36.57 – $92.89 | — | — |
| Swedish Issaquah | $32.91 – $81.19 | — | — |
| Swedish Medical Center | $32.91 – $131 | — | — |
| Swedish Medical Center / Cherry Hill | $32.91 – $131 | — | — |
| Tacoma General Allenmore Hospital | $40.23 – $170 | $81.60 | $204 |
| University of Washington Medical Ctr | $43.88 – $115 | — | — |
| Virginia Mason Medical Center | $43.88 – $130 | — | — |
| Yakima Valley Memorial | $40.23 – $175 | $81.60 | $204 |
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)
- $36.57
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0431U:
- 431U (leading zeros left off; 79 price lines)