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Rheumatoid Factor Blood Test, Quantitative

Mississippi rates for HCPCS 86431

This blood test measures the exact amount of rheumatoid factor, an antibody that is often elevated in people with rheumatoid arthritis and some other autoimmune or chronic conditions. Reporting a specific amount, rather than just a positive or negative result, can help a doctor gauge disease activity over time.

Rates data updated July 2026.

Facilitymedian $71 · 10th–90th $6$980%10%10th90th$71Professionalmedian $10 · 10th–90th $4$200%10%20%10th90th$10$5.0$10.0$20.0$50.0$100.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$10.23
Median
$74.13
Typical High
$97.72
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.47
Median
$10.23
Typical High
$19.95
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$2.63
Median
$2.82
Typical High
$3.80
BCBS
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$11.48
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$9.55
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.89
Median
$6.31
Typical High
$11.22
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2.51
Median
$6.17
Typical High
$13.18
United
Setting
Facility
Modifier
Global
Typical Low
$5.13
Median
$5.62
Typical High
$7.76
United
Setting
Professional
Modifier
Global
Typical Low
$2.40
Median
$4.17
Typical High
$11.48