Lab tests CPT 86431 Outpatient

Rheumatoid factor test cost in Martin, SD

In Martin, SD, 1 hospital lists a cash price for rheumatoid factor (RF) test: from $104.65 to $104.65, with a median of $104.65. Across South Dakota, the median is $82.40 at 17 hospitals.

Cash prices at 1 facility for code 86431, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.

Lowest$104.65Bennett County Hospital & Nursing Home
Median$104.65half pay less
Highest$104.65in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Martin, SD.

median
Lowest $104.65Highest $120.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Bennett County Hospital & Nursing Home lowest Martin, SD · (605) 685-6622 RHEUMATOID FACTOR QUANT $104.65 $104.65 — — —
source file
Bennett County Hospital & Nursing Home Martin, SD · (605) 685-6622 RHEUMATOID FACTOR QUANTITATIVE $120.00 $120.00 — — —
source file

Outpatient: lowest $104.65, median $104.65, highest $104.65.

As an inpatient, the same code is billed by 1 facility here, median $104.65. 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.