Rheumatoid factor test cost in Nashville, TN
In Nashville-Davidson--Murfreesboro--Franklin, TN, 4 hospitals list a cash price for rheumatoid factor (RF) test: from $20.64 to $52.38, with a median of $24.39. The lowest listed price is at Saint Thomas West Hospital and 1 other hospital — $3.75 less than the median here. Across Tennessee, the median is $18.81 at 43 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 Oct 1, 2025 and Oct 1, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Nashville-Davidson--Murfreesboro--Franklin, TN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Saint Thomas West Hospital lowest Harding Pk Nashville, TN · (615) 222-2111 RHEUMATOID FACT | $20.64 | $68.80 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas West Hospital lowest Harding Pk Nashville, TN · (615) 222-2111 RHEUMATOID FACT | $20.64 | $68.80 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas Rutherford Hospital lowest Murfreesboro, TN · (615) 396-4100 RHEUMATOID FACT | $20.64 | $68.80 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas Rutherford Hospital lowest Murfreesboro, TN · (615) 396-4100 RHEUMATOID FACT | $20.64 | $68.80 | $5.10–$21.44 | 70% | — source file |
| Vanderbilt Wilson County Hospital Lebanon, TN · (615) 444-2250 HC RHEUMATOID FACTOR QN | $28.13 | $97.00 | $5.37–$77.60 | 71% | Oct 1, 2025 source file |
| Vanderbilt Wilson County Hospital Lebanon, TN · (615) 444-2250 HC RHEUMATOID FACTOR | $32.48 | $112.00 | $5.37–$89.60 | 71% | Oct 1, 2025 source file |
| Saint Thomas West Hospital Harding Pk Nashville, TN · (615) 222-2111 RA | $44.87 | $149.55 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas Rutherford Hospital Murfreesboro, TN · (615) 396-4100 RA | $44.87 | $149.55 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas Rutherford Hospital Murfreesboro, TN · (615) 396-4100 RA | $44.87 | $149.55 | $5.10–$21.44 | 70% | — source file |
| Saint Thomas West Hospital Harding Pk Nashville, TN · (615) 222-2111 RA | $44.87 | $149.55 | $5.10–$21.44 | 70% | — source file |
| Vanderbilt University Medical Center Nashville, TN · (615) 322-3454 HC RHEUMATOID FACTOR QN | $52.38 | $97.00 | $5.37–$77.60 | 46% | Oct 1, 2025 source file |
| Vanderbilt University Medical Center Nashville, TN · (615) 322-3454 HC RHEUMATOID FACTOR | $60.48 | $112.00 | $5.37–$89.60 | 46% | Oct 1, 2025 source file |
Outpatient: lowest $20.64, median $24.39, highest $52.38 — a 2.5× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $24.39. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 4 of 4 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. 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.