Rheumatoid factor test cost in Williamsport, PA — inpatient
In Williamsport, PA, 2 hospitals list a cash price for rheumatoid factor (RF) test as an inpatient: from $98.40 to $141.60, with a median of $120.00. The lowest listed price is at UPMC Williamsport — $21.60 less than the median here. Across Pennsylvania, the median is $39.20 at 64 hospitals.
Cash prices at 2 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 — 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 Williamsport, PA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RHEUMATOID FACTOR TITER QUANT | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RHEUMO FACT QUANT P3355 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P4262 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P6842 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RHEUMATOID FACTOR BODY FLUID | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P4312 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P4307 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P8130 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P5919 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RHEUMATOID FACTR(RA/RF FACTR) | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P3164 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RHEUMATOID FACTOR QN P5076 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 QUANTITATIVE P5091 | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RF (RHEUMATOID FACTOR) IGM | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 RF (RHEUMATOID FACTOR) IGA | $98.40 | $164.00 | $70.26–$147.60 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P4262 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P4307 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P4312 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P5091 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P5919 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P6842 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 QUANTITATIVE P8130 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RF (RHEUMATOID FACTOR) IGA | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RF (RHEUMATOID FACTOR) IGM | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RHEUMATOID FACTOR BODY FLUID | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RHEUMATOID FACTOR QN P5076 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RHEUMATOID FACTOR TITER QUANT | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RHEUMATOID FACTR(RA/RF FACTR) | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
| UPMC Muncy Muncy, PA · (570) 546-8282 RHEUMO FACT QUANT P3355 | $141.60 | $236.00 | $101.10–$2,315.52 | 40% | — source file |
Inpatient: lowest $98.40, median $120.00, highest $141.60 — a 1.4× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $120.00 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 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.