Rheumatoid factor test cost in Oklahoma City, OK — inpatient
In Oklahoma City, OK, 5 hospitals list a cash price for rheumatoid factor (RF) test as an inpatient: from $17.25 to $146.60, with a median of $24.50. The lowest listed price is at Mercy Hospital Logan County — $7.25 less than the median here. Across Oklahoma, the median is $28.68 at 28 hospitals.
Cash prices at 5 facilities across 2 cities for code 86431, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 16, 2026 and Jun 12, 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 Oklahoma City, OK.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mercy Hospital Logan County lowest Crescent, OK Rheumatoid Factor Quantitative | $17.25 | $23.00 | $12.65 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Logan County lowest Crescent, OK Rheumatoid Factor Quantitative | $17.25 | $23.00 | $12.65 | 25% | Jun 12, 2026 source file |
| Oklahoma Heart Hospital Oklahoma City, OK · (405) 608-3200 HC Rheumatoid Factor, Quant - Rheumatoid Factor | $24.50 | $70.00 | $5.04–$63.00 | 65% | Mar 27, 2026 source file |
| Oklahoma Heart Hospital South Oklahoma City, OK · (405) 628-6000 HC Rheumatoid Factor, Quant - Rheumatoid Factor | $24.50 | $70.00 | $5.04–$63.00 | 65% | Mar 27, 2026 source file |
| Mercy Rehabilitation Hospital Oklahoma City Oklahoma City, OK RHEUMATOID FACTOR, QUANT | $146.60 | $146.60 | $109.95–$146.60 | — | Mar 16, 2026 source file |
| Mercy Rehabilitation Hospital Oklahoma City South Oklahoma City, OK RHEUMATOID FACTOR, QUANT | $146.60 | $146.60 | $109.95–$146.60 | — | — source file |
Inpatient: lowest $17.25, median $24.50, highest $146.60 — a 8.5× difference within the same market.
As an outpatient, the same code is billed by 6 facilities here, median $24.50 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 5 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.