Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Cheyenne, OK — inpatient

In Cheyenne, OK, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $27.75 to $27.75, with a median of $27.75. Across Oklahoma, the median is $26.36 at 43 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 28, 2026; the hospital files themselves were last updated between — and —.

Lowest$27.75Roger Mills Memorial Hospital
Median$27.75half pay less
Highest$27.75in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Roger Mills Memorial Hospital Cheyenne, OK · (580) 497-3336 ZZZ...RHEUMATOID FACTOR, QUANT (MAL) $27.75 $37.00 — 25% —
source file

Inpatient: lowest $27.75, median $27.75, highest $27.75.

As an outpatient, the same code is billed by 1 facility here, median $27.75 — 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.