CPT 0431U
Immunoassay
Current code29 hospitals with prices
What Washington hospitals publish for this code
Medicaid managed care: Rate for an Apple Health managed-care plan. Applies only to members of that plan.
| Hospital | Medicaid managed care rates (lowest – highest) | Cash price | List price (before discounts) |
|---|---|---|---|
| Capital Medical Center | — | $81.60 | $204 |
| Deaconess Medical Center | — | $108 | $271 |
| EvergreenHealth Medical Center | — | $34.40 – $470 | $43.00 – $587 |
| EvergreenHealth Monroe | $37.67 | $470 | $587 |
| Mary Bridge Children's Hospital | — | $102 | $255 |
| MultiCare Auburn Medical Center | — | $102 | $255 |
| MultiCare Covington Medical Center | — | $102 | $255 |
| MultiCare Good Samaritan Hospital | — | $102 | $255 |
| MultiCare Valley Hospital | — | $108 | $271 |
| Tacoma General Allenmore Hospital | — | $102 | $255 |
| Yakima Valley Memorial | — | $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)