Lab tests CPT 86431 Montana Outpatient

Rheumatoid factor test cost in Montana

In Montana, 7 hospitals publish a cash price for rheumatoid factor (RF) test: from $6.30 to $86.10, with a median of $36.80. The lowest price is at Great Falls Clinic Hospital (Great Falls). The highest price is 13.7× 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$6.30Great Falls Clinic Hospital
Median$36.80half pay less
Highest$86.10in Montana
Lowest saves$30.50vs the median

Hospitals in Montana, cheapest first

HospitalCash price List priceFile date
Great Falls Clinic Hospital lowest Great Falls · Great Falls, MT RHEUMATOID FACTOR QUANT $6.30 $6.30 —
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Providence St Joseph Medical Center Polson · Polson, MT HC RHEUMATOID FACTOR QUANT - AIP RA $14.40 $18.00 Apr 1, 2026
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St. Peter's Health Helena · Helena, MT HC RHEUMATOID FACTOR QUANT $15.13 $17.80 —
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Deaconess Regional Medical Center Bozeman · Bozeman, MT HC RHEUMATOID FACTOR QUANT - RHEUMATOID FACTOR $36.80 $46.00 Nov 19, 2024
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Big Sky Medical Center Big Sky · Bozeman, MT HC RHEUMATOID FACTOR QUANT - RHEUMATOID FACTOR $44.80 $56.00 Nov 19, 2024
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Barrett Hospital & Healthcare Dillon · Dillon, MT Rheumatoid factor level $71.25 $75.00 Jun 12, 2026
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Community Hospital of Anaconda Anaconda · Anaconda, MT Rheumatoid factor level $86.10 $114.80 Jul 20, 2026
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By metro area

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

Metro areaHospitals LowestMedian
Bozeman, MT 2 $36.80 $40.80
Anaconda, MT 1 $86.10 $86.10
Dillon, MT 1 $71.25 $71.25
Great Falls, MT 1 $6.30 $6.30
Helena, MT 1 $15.13 $15.13
Polson, MT 1 $14.40 $14.40

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.