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C-Reactive Protein (CRP) Blood Test

Illinois rates for HCPCS 86140

This blood test measures C-reactive protein, a substance the liver produces in response to inflammation anywhere in the body. It is used broadly to detect and track inflammation, whether from infection, injury, or a chronic inflammatory condition.

Rates data updated October 2026.

How much does C-Reactive Protein (CRP) Blood Test cost?

$3.98

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $3.98 for this service. The price depends on where it is billed: about $3.98 from a physician practice, and about $10.96 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$3.98$3.55 to $4.47
FacilityA hospital or hospital-owned outpatient department$10.96$6.61 to $18.20

How much rates vary

Facilitymedian $11 · 10th to 90th $5 to $33Professionalmedian $4 · 10th to 90th $3 to $7
$2$5$10$20$50facility $11professional $4

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$4.27
Median
$6.31
Typical High
$15.49
Aetna
Setting
Professional
Modifier
None
Typical Low
$4.27
Median
$4.68
Typical High
$8.32
Ambetter
Setting
Professional
Modifier
None
Typical Low
$2.57
Median
$3.16
Typical High
$6.92
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$6.92
Median
$14.45
Typical High
$53.70
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$3.47
Median
$3.98
Typical High
$3.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.89
Median
$12.02
Typical High
$21.88
Cigna
Setting
Professional
Modifier
None
Typical Low
$2.69
Median
$5.89
Typical High
$9.12
Hally Health
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$9.12
Typical High
$85.11
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$6.76
Typical High
$6.76
Molina
Setting
Professional
Modifier
None
Typical Low
$3.63
Median
$3.63
Typical High
$6.46
United
Setting
Facility
Modifier
None
Typical Low
$5.13
Median
$6.17
Typical High
$6.46
United
Setting
Professional
Modifier
None
Typical Low
$2.19
Median
$3.31
Typical High
$5.62
4 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$2.14
Median
$3.80
Typical High
$7.76
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$0.85
Median
$1.51
Typical High
$3.16
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$2.14
Median
$2.14
Typical High
$2.57
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.85
Median
$0.85
Typical High
$1.05

Where Illinois sits

The same service costs 17.8 times more in Vermont than in Maryland. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Illinois· 50th of 51

$3.98

VT $69.18MD $3.89

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.