Rheumatoid factor test cost in Bakersfield, CA
In Bakersfield-Delano, CA, 1 hospital lists a cash price for rheumatoid factor (RF) test: from $15.58 to $15.58, with a median of $15.58. Across California, the median is $13.20 at 93 hospitals.
Cash prices at 1 facility for code 86431, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 2026; the hospital files themselves were last updated between Sep 11, 2026 and Sep 11, 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 Bakersfield-Delano, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Ridgecrest Regional Hospital lowest Ridgecrest, CA · (760) 446-3551 Rheumatoid factor | $15.58 | $29.40 | — | 47% | Sep 11, 2026 source file |
| Ridgecrest Regional Hospital lowest Ridgecrest, CA · (760) 446-3551 Rheumatoid factor quant | $15.58 | $29.40 | — | 47% | Sep 11, 2026 source file |
Outpatient: lowest $15.58, median $15.58, highest $15.58.
As an inpatient, the same code is billed by 1 facility here, median $15.58. 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.