Rheumatoid factor test cost in Kalispell, MT
In Kalispell, MT, 2 hospitals list a cash price for rheumatoid factor (RF) test: from $11.05 to $43.88, with a median of $27.47. The lowest listed price is at Logan Health Medical Center — $16.42 less than the median here. Across Montana, the median is $47.00 at 21 hospitals.
Cash prices at 2 facilities across 2 cities for code 86431, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 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 Kalispell, MT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Logan Health Medical Center lowest Kalispell, MT · (406) 752-5111 REF-RHEUMATOID FACTOR | $11.05 | $17.00 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 RHEUMATOID FACTOR QUANTITATIVE | $22.75 | $35.00 | — | 35% | Apr 1, 2026 source file |
| Logan Health - Whitefish Whitefish, MT · (406) 863-3550 REF-RHEUMATOID FACTOR | $43.88 | $67.50 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 CHEM-PNL RHEUM FACTOR QUANT | $73.61 | $113.25 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 CHEM-RHEUMATOID FACTOR QUANT | $75.72 | $116.50 | — | 35% | Apr 1, 2026 source file |
Outpatient: lowest $11.05, median $27.47, highest $43.88 — a 4.0× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $27.47. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.