Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Houma, LA — inpatient

In Houma-Bayou Cane-Thibodaux, LA, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $85.49 to $85.49, with a median of $85.49. Across Louisiana, the median is $27.01 at 36 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between — and —.

Lowest$85.49Lady of the Sea General Hospital
Median$85.49half pay less
Highest$85.49in this market
Difference1.0×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 Houma-Bayou Cane-Thibodaux, LA.

median
Lowest $85.49Highest $85.49

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 RHEUMATOID FACTOR IGA $85.49 $85.49 — — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 RHEUMATOID FACTOR IGG $85.49 $85.49 $3.33–$59.84 — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 RHEUMATOID FACTOR IGM $85.49 $85.49 — — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 RHEUMATOID FACTOR RF $85.49 $85.49 $3.33–$59.84 — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 RHEUMATOID FACTOR TITER + S ONLY $85.49 $85.49 — — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 .RHEUMATOID FACTOR IGA $85.49 $85.49 $3.33–$59.84 — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 .RHEUMATOID FACTOR IGM $85.49 $85.49 $3.33–$59.84 — —
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Lady of the Sea General Hospital lowest Cut Off, LA · (985) 632-6401 .RHEUMATOID FACTOR TITER + S ONLY $85.49 $85.49 $3.33–$59.84 — —
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Inpatient: lowest $85.49, median $85.49, highest $85.49.

As an outpatient, the same code is billed by 1 facility here, median $85.49 — 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.