Rheumatoid factor test cost in El Paso, TX
In El Paso, TX, 3 hospitals list a cash price for rheumatoid factor (RF) test: from $5.20 to $8.96, with a median of $8.96. The lowest listed price is at El Paso Children's Hospital — $3.76 less than the median here. Across Texas, the median is $20.70 at 100 hospitals.
Cash prices at 3 facilities across 2 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 — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in El Paso, TX.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| El Paso Children's Hospital lowest El Paso, TX · (915) 521-7148 CHEM RHEUMATOID FACTOR QN | $5.20 | $26.00 | $5.53–$20.80 | 80% | — source file |
| University Medical Center El Paso El Paso, TX · (915) 521-7602 RHEUMATOID FACTOR QN ADDITIONAL | $8.96 | $44.80 | $2.04–$919.99 | 80% | — source file |
| University Medical Center Surgical Hospital Dieter El Paso, TX RHEUMATOID FACTOR QN ADDITIONAL | $8.96 | $44.80 | $2.04–$919.99 | 80% | — source file |
| University Medical Center Surgical Hospital Dieter El Paso, TX SH CHEM RHEUMATOID FACTOR QN | $9.44 | $47.20 | $2.04–$1,764.29 | 80% | — source file |
| University Medical Center El Paso El Paso, TX · (915) 521-7602 CHEM RHEUMATOID FACTOR QN | $9.91 | $49.56 | $2.04–$476.31 | 80% | — source file |
| University Medical Center Surgical Hospital Dieter El Paso, TX CHEM RHEUMATOID FACTOR QN | $9.91 | $49.56 | $2.04–$476.31 | 80% | — source file |
| University Medical Center El Paso El Paso, TX · (915) 521-7602 RHEUMATOID FACTOR QN | $13.10 | $65.52 | $2.04–$880.12 | 80% | — source file |
| University Medical Center Surgical Hospital Dieter El Paso, TX RHEUMATOID FACTOR QN | $13.10 | $65.52 | $2.04–$880.12 | 80% | — source file |
Outpatient: lowest $5.20, median $8.96, highest $8.96 — a 1.7× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $8.96. 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 3 of 3 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is 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.