Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Kilmarnock, VA — inpatient

In Kilmarnock, VA, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $21.60 to $21.60, with a median of $21.60. Across Virginia, the median is $16.35 at 36 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 — and —.

Lowest$21.60Rappahannock General Hospital
Median$21.60half pay less
Highest$21.60in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Kilmarnock, VA.

median
Lowest $21.60Highest $22.20

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Rappahannock General Hospital lowest Kilmarnock, VA · (804) 435-8000 HC So Ra Titer, Quantitative $21.60 $36.00 — 40% —
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Rappahannock General Hospital Kilmarnock, VA · (804) 435-8000 HC Rheumatoid Factor Quantitative $22.20 $37.00 — 40% —
source file

Inpatient: lowest $21.60, median $21.60, highest $21.60.

As an outpatient, the same code is billed by 1 facility here, median $21.60 — 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.