Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Penn Yan, NY — inpatient

In Penn Yan, NY, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $6.81 to $6.81, with a median of $6.81. Across New York, the median is $26.00 at 93 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Aug 27, 2026 and Aug 27, 2026.

Lowest$6.81Soldiers and Sailors Hospital
Median$6.81half pay less
Highest$6.81in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Soldiers and Sailors Hospital Penn Yan, NY · (315) 787-4175 (UR) RHEUMATOID FACTOR QUANT $6.81 $17.01 — 60% Aug 27, 2026
source file

Inpatient: lowest $6.81, median $6.81, highest $6.81.

As an outpatient, the same code is billed by 1 facility here, median $6.81 — 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.