Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Baudette, MN — inpatient

In Baudette, MN, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $11.23 to $11.23, with a median of $11.23. Across Minnesota, the median is $48.46 at 75 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 2026.

Lowest$11.23Lakewood Health Center
Median$11.23half pay less
Highest$11.23in 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 Baudette, MN.

median
Lowest $11.23Highest $121.44

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Lakewood Health Center lowest Baudette, MN · (218) 634-2120 RHEUMATOID FACTOR $11.23 $17.01 $6.47–$16.67 34% Feb 28, 2026
source file
Lakewood Health Center Baudette, MN · (218) 634-2120 RHEUMA FACT (IGG IGA IGM) X1 $52.80 $80.00 $30.40–$78.40 34% Feb 28, 2026
source file
Lakewood Health Center Baudette, MN · (218) 634-2120 RHEUMA FACT (IGG IGA IGM) X2 $102.30 $155.00 $58.90–$151.90 34% Feb 28, 2026
source file
Lakewood Health Center Baudette, MN · (218) 634-2120 CTD RA $118.80 $180.00 $68.40–$176.40 34% Feb 28, 2026
source file
Lakewood Health Center Baudette, MN · (218) 634-2120 RHEUMA FACTOR BODY FLUID $120.12 $182.00 $69.16–$178.36 34% Feb 28, 2026
source file
Lakewood Health Center Baudette, MN · (218) 634-2120 RA SERUM $121.44 $184.00 $69.92–$180.32 34% Feb 28, 2026
source file

Inpatient: lowest $11.23, median $11.23, highest $11.23.

As an outpatient, the same code is billed by 1 facility here, median $11.23 — 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.