Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Norwalk, OH — inpatient

In Norwalk, OH, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $73.20 to $73.20, with a median of $73.20. Across Ohio, the median is $31.85 at 99 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$73.20Mercy Health Willard Hospital
Median$73.20half pay less
Highest$73.20in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Mercy Health Willard Hospital Willard, OH · (419) 964-5000 HC Rheumatoid Factor Quantitative $73.20 $122.00 — 40% —
source file

Inpatient: lowest $73.20, median $73.20, highest $73.20.

As an outpatient, the same code is billed by 1 facility here, median $44.40 — 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.