Lab tests CPT 86431 Rhode Island Outpatient

Rheumatoid factor test cost in Rhode Island

In Rhode Island, 6 hospitals publish a cash price for rheumatoid factor (RF) test: from $5.00 to $91.80, with a median of $45.00. The lowest price is at Landmark Medical Center (Woonsocket). The highest price is 18.4× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 86431. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$5.00Landmark Medical Center
Median$45.00half pay less
Highest$91.80in Rhode Island
Lowest saves$40.00vs the median

Hospitals in Rhode Island, cheapest first

HospitalCash price List priceFile date
Landmark Medical Center lowest Woonsocket · Providence-Warwick, RI-MA Hc Rheumatoid Factor, Quant $5.00 $87.00 Sep 1, 2026
source file
Emma Pendleton Bradley Hospital East Providence · Providence-Warwick, RI-MA HC RHEUMATOID FACTOR QUANT $45.00 $45.00 —
source file
Newport Hospital Newport · Providence-Warwick, RI-MA HC RHEUMATOID FACTOR QUANT $45.00 $45.00 —
source file
Rhode Island Hospital Providence · Providence-Warwick, RI-MA HC RHEUMATOID FACTOR QUANT $45.00 $45.00 —
source file
The Miriam Hospital Providence · Providence-Warwick, RI-MA HC RHEUMATOID FACTOR QUANT $45.00 $45.00 —
source file
South County Health Wakefield · Providence-Warwick, RI-MA Rheumatoid factor; quantitative $91.80 $153.00 —
source file

By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Providence-Warwick, RI-MA 6 $5.00 $45.00

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.

Rheumatoid factor (RF) test in other states

Median cash price across the state's hospitals.