Lab tests CPT 86431 Maryland Outpatient

Rheumatoid factor test cost in Maryland

In Maryland, 5 hospitals publish a cash price for rheumatoid factor (RF) test: from $13.72 to $32.07, with a median of $27.44. The lowest price is at Greater Baltimore Medical Center (Towson). The highest price is 2.3× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 86431. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$13.72Greater Baltimore Medical Center
Median$27.44half pay less
Highest$32.07in Maryland
Lowest saves$13.72vs the median

Hospitals in Maryland, cheapest first

HospitalCash price List priceFile date
Greater Baltimore Medical Center lowest Towson · Baltimore-Columbia-Towson, MD HC Rheumatoid Factor Titer $13.72 $14.00 —
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UPMC Western Maryland Cumberland · Cumberland, MD-WV RHEUMATOID FACTOR LEVEL TITER $16.20 $27.00 —
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TidalHealth Peninsula Salisbury · Salisbury, MD HC RHEUMATOID FACTOR; QUANTITATIVE $27.44 $28.00 —
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Atlantic General Hospital Berlin · Ocean Pines, MD Rheumatoid factor; quantitative $31.30 $31.30 —
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Mercy Medical Center Baltimore · Baltimore-Columbia-Towson, MD HC RHEUMATOID FACTOR, QUANT $32.07 $32.72 —
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Baltimore-Columbia-Towson, MD 2 $13.72 $22.90
Cumberland, MD-WV 1 $16.20 $16.20
Ocean Pines, MD 1 $31.30 $31.30
Salisbury, MD 1 $27.44 $27.44

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.

Rheumatoid factor (RF) test in other states

Median cash price across the state's hospitals.