Rheumatoid factor test cost in Port St. Lucie, FL
In Port St. Lucie, FL, 1 hospital lists a cash price for rheumatoid factor (RF) test: from $12.35 to $12.35, with a median of $12.35. Across Florida, the median is $19.29 at 76 hospitals.
Cash prices at 1 facility 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 Jun 15, 2026 and Jun 15, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Port St. Lucie, FL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Cleveland Clinic Martin North Hospital lowest Stuart, FL · (772) 287-5200 RA FACTOR QUANT | $12.35 | $19.00 | $5.57–$17.10 | 35% | Jun 15, 2026 source file |
| Cleveland Clinic Martin North Hospital Stuart, FL · (772) 287-5200 RHEUMATOID FACTOR QUANT | $63.70 | $98.00 | $28.71–$88.20 | 35% | Jun 15, 2026 source file |
| Cleveland Clinic Martin North Hospital Stuart, FL · (772) 287-5200 RHEUMATOID FACTOR TEST QUANT | $70.85 | $109.00 | $5.50–$6.60 | 35% | Jun 15, 2026 source file |
| Cleveland Clinic Martin North Hospital Stuart, FL · (772) 287-5200 *RHEUMATOID FACTOR QUANT | $75.40 | $116.00 | $33.99–$104.40 | 35% | Jun 15, 2026 source file |
Outpatient: lowest $12.35, median $12.35, highest $12.35.
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.