CK (creatine kinase) test cost in Peoria, IL
In Peoria, IL, 5 hospitals list a cash price for creatine kinase (CK) blood test, total: from $26.00 to $60.34, with a median of $28.00. The lowest listed price is at Carle Eureka Hospital — $2.00 less than the median here. Across Illinois, the median is $61.50 at 113 hospitals.
Cash prices at 5 facilities across 4 cities for code 82550, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 15, 2026 and Apr 15, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Peoria, IL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Carle Eureka Hospital lowest Eureka, IL · (309) 467-2371 Total CK Activity Ref | $26.00 | $26.00 | $5.20–$21.84 | — | Apr 15, 2026 source file |
| Methodist Medical Center of Illinois Peoria, IL · (309) 672-5522 Assay of ck (cpk) | $28.00 | $28.00 | $5.60–$19.53 | — | Apr 15, 2026 source file |
| Carle Health Pekin Hospital Pekin, IL · (309) 347-1151 Assay of ck (cpk) | $28.00 | $28.00 | $5.60–$19.53 | — | Apr 15, 2026 source file |
| Proctor Community Hospital Peoria, IL · (309) 691-1000 Assay of ck (cpk) | $28.00 | $28.00 | $5.77–$19.53 | — | Apr 15, 2026 source file |
| Hopedale Medical Complex Hopedale, IL · (309) 449-3321 CK SERUM | $60.34 | $86.20 | $6.38–$18.58 | 30% | — source file |
| Hopedale Medical Complex Hopedale, IL · (309) 449-3321 REFERRED CK | $60.34 | $86.20 | $6.38–$18.58 | 30% | — source file |
| Hopedale Medical Complex Hopedale, IL · (309) 449-3321 CK POINT OF CARE | $60.34 | $86.20 | $6.38–$18.58 | 30% | — source file |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 CK Total Ref | $86.00 | $86.00 | $5.60–$72.24 | — | Apr 15, 2026 source file |
| Methodist Medical Center of Illinois Peoria, IL · (309) 672-5522 Creatine Kinase CK/Cpk/Total | $88.00 | $88.00 | $5.60–$58.96 | — | Apr 15, 2026 source file |
| Proctor Community Hospital Peoria, IL · (309) 691-1000 Creatine Kinase CK/Cpk/Total | $88.00 | $88.00 | $5.77–$58.96 | — | Apr 15, 2026 source file |
| Carle Health Pekin Hospital Pekin, IL · (309) 347-1151 Creatine Kinase CK/Cpk/Total | $88.00 | $88.00 | $5.60–$58.96 | — | Apr 15, 2026 source file |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 Creatine Kinase CK/Cpk/Total | $92.00 | $92.00 | $5.60–$77.28 | — | Apr 15, 2026 source file |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 CK Total | $107.00 | $107.00 | $5.60–$89.88 | — | Apr 15, 2026 source file |
Outpatient: lowest $26.00, median $28.00, highest $60.34 — a 2.3× difference within the same market.
As an inpatient, the same code is billed by 5 facilities here, median $28.00. 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 0 of 5 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
A creatine kinase (CK) test measures an enzyme released when muscle is damaged. It is used for muscle pain or weakness, after crush injuries or extreme exercise, and in people on statins with muscle symptoms.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.