Rheumatoid factor test cost in District of Columbia
In District of Columbia, 2 hospitals publish a cash price for rheumatoid factor (RF) test: from $32.34 to $47.39, with a median of $39.87. The lowest price is at National Rehabilitation Hospital (Washington). The highest price is 1.5× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 86431. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 27, 2026. See them on a map
Hospitals in District of Columbia, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| National Rehabilitation Hospital lowest Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV RHEUMATOID FACTOR QUANT | $32.34 | $49.76 | Apr 1, 2026 source file |
| MedStar Georgetown Hospital Northwest Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV RHEUMATOID FACTOR QUANT | $47.39 | $72.91 | Apr 1, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Washington-Arlington-Alexandria, DC-VA-MD-WV | 2 | $32.34 | $39.86 |
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.
Rheumatoid factor (RF) test in other states
- Alabama$45.50
- Alaska$57.50
- Arizona$15.84
- Arkansas$36.47
- California$13.00
- Colorado$81.35
- Connecticut$45.53
- Delaware$54.98
- Florida$27.00
- Georgia$79.56
- Hawaii$61.70
- Idaho$29.90
- Illinois$53.40
- Indiana$47.34
- Iowa$48.57
- Kansas$47.63
- Kentucky$52.33
- Louisiana$27.30
- Maine$32.06
- Maryland$29.37
- Massachusetts$34.50
- Michigan$33.15
- Minnesota$48.46
- Mississippi$39.10
- Missouri$44.59
- Montana$42.65
- Nebraska$44.94
- Nevada$50.00
- New Hampshire$71.65
- New Jersey$6.52
- New Mexico$61.72
- New York$27.50
- North Carolina$43.67
- North Dakota$36.00
- Ohio$31.25
- Oklahoma$26.36
- Oregon$41.34
- Pennsylvania$37.50
- Puerto Rico$15.17
- Rhode Island$45.00
- South Carolina$68.87
- South Dakota$86.40
- Tennessee$29.52
- Texas$55.52
- Utah$45.00
- Vermont$56.43
- Virginia$36.00
- Washington$36.02
- West Virginia$36.50
- Wisconsin$57.50
- Wyoming$37.05
Median cash price across the state's hospitals.