Rheumatoid factor test cost in Grand Rapids, MI
In Grand Rapids-Wyoming-Kentwood, MI, 4 hospitals list a cash price for rheumatoid factor (RF) test: from $50.00 to $50.00, with a median of $50.00. The lowest listed price is at Corewell Health Butterworth Hospital and 3 other hospitals. Across Michigan, the median is $35.28 at 58 hospitals.
Cash prices at 4 facilities across 4 cities for code 86431, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Grand Rapids-Wyoming-Kentwood, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Corewell Health Butterworth Hospital lowest Grand Rapids, MI · (616) 391-1774 Hc Rheumatoid Factor Quant | $50.00 | $50.00 | — | — | — source file |
| Corewell Health Butterworth Hospital lowest Grand Rapids, MI · (616) 391-1774 Hc Rheumatoid Factor Quant | $50.00 | $50.00 | — | — | — source file |
| Corewell Health Zeeland Community Hospital lowest Zeeland, MI · (616) 772-4644 Hc Rheumatoid Factor Quant | $50.00 | $50.00 | — | — | — source file |
| Corewell Health Greenville Hospital lowest Greenville, MI · (616) 754-4691 Hc Rheumatoid Factor Quant | $50.00 | $50.00 | — | — | — source file |
| Corewell Health Blodgett Hospital lowest East Grand Rapids, MI Hc Rheumatoid Factor Quant | $50.00 | $50.00 | — | — | — source file |
Outpatient: lowest $50.00, median $50.00, highest $50.00.
As an inpatient, the same code is billed by 5 facilities here, median $50.00. 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.