Lab tests CPT 86431 Outpatient

Rheumatoid factor test cost in Indianapolis, IN

In Indianapolis-Carmel-Greenwood, IN, 14 hospitals list a cash price for rheumatoid factor (RF) test: from $17.40 to $128.40, with a median of $120.80. The lowest listed price is at St. Vincent Anderson Regional Hospital — $103.40 less than the median here. Across Indiana, the median is $33.60 at 62 hospitals.

Cash prices at 14 facilities across 9 cities for code 86431, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and May 5, 2026.

Lowest$17.40St. Vincent Anderson Regional Hospital
Median$120.80half pay less
Highest$128.40in this market
Difference7.4×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Indianapolis-Carmel-Greenwood, IN.

median
Lowest $17.40Highest $199.20

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St. Vincent Anderson Regional Hospital lowest Anderson, IN · (765) 649-2511 #RHEUMATOID FACTOR;QUANT $17.40 $29.00 $2.68–$12.93 40% —
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St. Vincent Anderson Regional Hospital lowest Anderson, IN · (765) 649-2511 #RHEUMATOID FACTOR;QUANT $17.40 $29.00 $2.68–$12.93 40% —
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Ascension St Vincent Mercy Elwood, IN · (765) 552-4743 #RHEUMATOID FACTOR;QUANT $30.60 $51.00 $2.68–$12.93 40% —
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Ascension St Vincent Mercy Elwood, IN · (765) 552-4743 #RHEUMATOID FACTOR;QUANT $30.60 $51.00 $2.68–$12.93 40% —
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Riverview Health Noblesville, IN · (317) 773-0760 RHEUMATOID FACTOR QUANTITATIVE $34.80 $58.00 — 40% —
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Eskenazi Health Indianapolis, IN · (317) 880-4818 HC Rheumatoid Factor Quant $48.60 $54.00 $5.00–$54.00 10% —
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Major Hospital Shelbyville, IN · (317) 392-3211 Rheumatoid factor level $62.00 $200.00 $5.67–$198.00 69% Apr 7, 2026
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Johnson Memorial Hospital Franklin, IN · (317) 736-3300 Rheumatoid factor level $75.20 $94.00 $5.33–$91.18 20% May 5, 2026
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Witham Memorial Hospital Lebanon, IN · (765) 485-8000 Rheumatoid factor level $113.19 $161.70 $5.67–$404.25 30% Mar 31, 2026
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St. Vincent Anderson Regional Hospital Anderson, IN · (765) 649-2511 RHEUMATOID FACTOR;QUANTITATIVE $116.40 $194.00 $2.68–$12.93 40% —
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St. Vincent Anderson Regional Hospital Anderson, IN · (765) 649-2511 RHEUMATOID FACTOR;QUANTITATIVE $116.40 $194.00 $2.68–$12.93 40% —
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St. Vincent Seton Specialty Hospital Indianapolis, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Carmel AmbSurg Carmel, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Carmel AmbSurg Carmel, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Endo Surgery Center Carmel, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Endo Surgery Center Carmel, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Heart Center of Indiana Carmel, IN · (317) 583-5000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Heart Center of Indiana Carmel, IN · (317) 583-5000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Seton Specialty Hospital Indianapolis, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Naab Road Surgery Center Indianapolis, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Naab Road Surgery Center Indianapolis, IN #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Fishers Hospital Fishers, IN · (317) 415-9000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Fishers Hospital Fishers, IN · (317) 415-9000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Carmel Hospital Carmel, IN · (317) 582-7000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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St. Vincent Carmel Hospital Carmel, IN · (317) 582-7000 #RHEUMATOID FACTOR;QUANT $128.40 $214.00 $2.68–$12.93 40% —
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Ascension St Vincent Mercy Elwood, IN · (765) 552-4743 RHEUMATOID FACTOR;QUANTITATIVE $187.20 $312.00 $2.68–$12.93 40% —
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Ascension St Vincent Mercy Elwood, IN · (765) 552-4743 RHEUMATOID FACTOR;QUANTITATIVE $187.20 $312.00 $2.68–$12.93 40% —
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St. Vincent Carmel Hospital Carmel, IN · (317) 582-7000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Fishers Hospital Fishers, IN · (317) 415-9000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Fishers Hospital Fishers, IN · (317) 415-9000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Carmel Hospital Carmel, IN · (317) 582-7000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Carmel AmbSurg Carmel, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Heart Center of Indiana Carmel, IN · (317) 583-5000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Endo Surgery Center Carmel, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Seton Specialty Hospital Indianapolis, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Seton Specialty Hospital Indianapolis, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Endo Surgery Center Carmel, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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St. Vincent Heart Center of Indiana Carmel, IN · (317) 583-5000 RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Naab Road Surgery Center Indianapolis, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Naab Road Surgery Center Indianapolis, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Carmel AmbSurg Carmel, IN RHEUMATOID FACTOR;QUANTITATIVE $199.20 $332.00 $2.68–$12.93 40% —
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Outpatient: lowest $17.40, median $120.80, highest $128.40 — a 7.4× difference within the same market.

As an inpatient, the same code is billed by 11 facilities here, median $128.40. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

Cash or insurance?

At 4 of 13 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.

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.