Rheumatoid factor test cost in Bakersfield, CA — inpatient
In Bakersfield-Delano, CA, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: 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 inpatient (admitted to hospital) . 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 |
Inpatient: lowest $15.58, median $15.58, highest $15.58.
As an outpatient, the same code is billed by 1 facility here, median $15.58 — that is the price to compare if you are not being admitted.
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.