Rheumatoid factor test cost in Walla Walla, WA — inpatient
In Walla Walla, WA, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $16.10 to $16.10, with a median of $16.10. Across Washington, the median is $31.95 at 32 hospitals.
Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Walla Walla, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence St Mary Medical Center lowest Walla Walla, WA · (509) 522-5900 HC RHEUMATOID FACTOR QUANTITATIVE LAB | $16.10 | $23.00 | — | 30% | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC RHEUMATOID FACTOR QUANTITATIV | $40.60 | $58.00 | — | 30% | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC RHEUMATOID FACTOR QUANT | $53.20 | $76.00 | — | 30% | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC RHEUMATOID FACTOR | $107.10 | $153.00 | — | 30% | Apr 1, 2026 source file |
Inpatient: lowest $16.10, median $16.10, highest $16.10.
As an outpatient, the same code is billed by 1 facility here, median $16.10 — that is the price to compare if you are not being admitted.
What it is
Rheumatoid factor is an antibody found in many people with rheumatoid arthritis. The test is part of the workup for joint pain and swelling.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.