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 | $163 – $173 | $81.60 | $204 |
| Deaconess Medical Center | $192 – $198 | $108 | $271 |
| EvergreenHealth Medical Center | $13.76 – $546 | $34.40 – $470 | $43.00 – $587 |
| EvergreenHealth Monroe | $43.88 – $546 | $470 | $587 |
| Mary Bridge Children's Hospital | $167 – $204 | $102 | $255 |
| MultiCare Auburn Medical Center | $186 | $102 | $255 |
| MultiCare Covington Medical Center | $186 | $102 | $255 |
| MultiCare Good Samaritan Hospital | $186 | $102 | $255 |
| MultiCare Valley Hospital | $195 | $108 | $271 |
| Tacoma General Allenmore Hospital | $186 | $102 | $255 |
| Yakima Valley Memorial | $114 | $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)