CPT 0491U
Immunoassay
Current code27 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 | $2,679 – $4,415 | — | — |
| Deaconess Medical Center | $2,679 – $15,048 | — | — |
| Harborview Medical Center | $3,653 – $4,870 | — | — |
| Island Hospital | $2,435 – $4,694 | — | — |
| Kadlec Regional Medical Center | $2,601 – $6,840 | — | — |
| Legacy Salmon Creek Medical Center | $3,957 – $6,355 | — | — |
| Mary Bridge Children's Hospital | $18,798 | — | — |
| MultiCare Auburn Medical Center | $2,679 – $11,298 | — | — |
| MultiCare Covington Medical Center | $2,679 – $11,298 | — | — |
| MultiCare Good Samaritan Hospital | $2,679 – $11,298 | — | — |
| MultiCare Valley Hospital | $2,679 – $4,415 | — | — |
| Olympic Medical Center | — | — | — |
| Overlake Hospital Medical Center & Clinics | $2,679 – $22,889 | — | — |
| Prov Sacred HRT Med Ctr & Childs Hosp. | $2,922 – $8,078 | — | — |
| Providence Centralia Hospital | $4,115 – $9,104 | — | — |
| Providence Holy Family Hospital | $2,922 – $7,495 | — | — |
| Providence Regional Medical Center Everett | $2,435 – $5,649 | — | — |
| Providence St Mary Medical Center | $3,896 – $7,164 | — | — |
| Providence St Peter Hospital | $2,070 – $7,950 | — | — |
| Swedish Edmonds Hospital | $2,435 – $6,185 | — | — |
| Swedish Issaquah | $2,192 – $5,406 | — | — |
| Swedish Medical Center | $2,192 – $8,697 | — | — |
| Swedish Medical Center / Cherry Hill | $2,192 – $8,697 | — | — |
| Tacoma General Allenmore Hospital | $2,679 – $11,298 | — | — |
| University of Washington Medical Ctr | $2,922 – $7,636 | — | — |
| Virginia Mason Medical Center | $2,922 – $8,638 | — | — |
| Yakima Valley Memorial | $2,679 – $4,370 | — | — |
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)
- $2,435
How hospitals also write this code
Some price files write it differently. These are counted as CPT 0491U:
- 491U (leading zeros left off; 79 price lines)