Rheumatoid factor test cost in Salt Lake City, UT
In Salt Lake City-Murray, UT, 2 hospitals list a cash price for rheumatoid factor (RF) test: from $17.71 to $124.81, with a median of $71.26. The lowest listed price is at University of Utah Hospital and Clinics — $53.55 less than the median here. Across Utah, the median is $71.26 at 2 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 25, 2026; the hospital files themselves were last updated between Sep 17, 2026 and Sep 17, 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 Salt Lake City-Murray, UT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| University of Utah Hospital and Clinics lowest Salt Lake City, UT · (801) 581-2121 Rheumatoid Factor, Body Fluid | $17.71 | $25.30 | $4.77–$26.60 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Rheumatoid Factor Quantitative | $19.60 | $28.00 | $4.77–$26.60 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Lupus Comprehensive Reflexive Panel | $19.74 | $28.20 | $4.77–$56.68 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Interstitial Lung Disease Autoantibody Panel | $28.63 | $40.90 | $4.77–$84.41 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Rheumatoid Arthritis (Ra) Panel | $34.37 | $49.10 | $4.77–$60.71 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Rheumatoid Arthritis (Ra) Panel W/Rflx to Rheumatoid Factors, Iga, Igg, and Igm by Elisa | $34.37 | $49.10 | $4.77–$60.71 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Rheumatoid Arthritis Panel W/Rflx to Rheumatoid Factors, Iga, Igg, and Igm by Elisa | $36.89 | $52.70 | $4.77–$60.71 | 30% | — source file |
| University of Utah Hospital and Clinics Salt Lake City, UT · (801) 581-2121 Rheumatoid Arthritis Panel | $41.33 | $59.04 | $4.77–$60.71 | 30% | — source file |
| Mountain West Medical Center Tooele, UT · (435) 843-3700 Rheumatoid factor level | $124.81 | $208.01 | $5.67–$191.37 | 40% | Sep 17, 2026 source file |
Outpatient: lowest $17.71, median $71.26, highest $124.81 — a 7.0× difference within the same market.
As an inpatient, the same code is billed by 1 facility here, median $15.37. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.