Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Jackson, MN — inpatient

In Jackson, MN, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $52.00 to $52.00, with a median of $52.00. Across Minnesota, the median is $40.55 at 50 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 Mar 4, 2026 and Mar 4, 2026.

Lowest$52.00Sanford Jackson Hospital
Median$52.00half pay less
Highest$52.00in 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 Jackson, MN.

median
Lowest $52.00Highest $109.60

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Sanford Jackson Hospital lowest Jackson, MN · (507) 847-2420 RHEUMATOID FACTOR QUANT 86431 $52.00 $65.00 $34.83–$61.49 20% Mar 4, 2026
source file
Sanford Jackson Hospital Jackson, MN · (507) 847-2420 RHEUMATOID FACTOR PANEL SERUM 86431.900 $54.40 $68.00 $36.43–$64.33 20% Mar 4, 2026
source file
Sanford Jackson Hospital Jackson, MN · (507) 847-2420 RA FACTOR QUANT 86431 $109.60 $137.00 $73.40–$129.60 20% Mar 4, 2026
source file

Inpatient: lowest $52.00, median $52.00, highest $52.00.

As an outpatient, the same code is billed by 1 facility here, median $52.00 — that is the price to compare if you are not being admitted.

Cash or insurance?

At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. 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.