CK (creatine kinase) test cost in Peoria, IL — inpatient
In Peoria, IL, 5 hospitals list a cash price for creatine kinase (CK) blood test, total as an inpatient: 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 $62.00 at 112 hospitals.
Cash prices at 5 facilities across 4 cities for code 82550, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 6, 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 |
|---|---|---|---|---|
| Carle Eureka Hospital lowest Eureka, IL · (309) 467-2371 Total CK Activity Ref File of Apr 15, 2026 · source file | $26.00 | $26.00 | $2.60–$17.19 | — |
| Proctor Community Hospital Peoria, IL · (309) 691-1000 Assay of ck (cpk) File of Apr 15, 2026 · source file | $28.00 | $28.00 | $5.77–$14.00 | — |
| Methodist Medical Center of Illinois Peoria, IL · (309) 672-5522 Assay of ck (cpk) File of Apr 15, 2026 · source file | $28.00 | $28.00 | $5.60–$14.00 | — |
| Carle Health Pekin Hospital Pekin, IL · (309) 347-1151 Assay of ck (cpk) File of Apr 15, 2026 · source file | $28.00 | $28.00 | $5.60–$14.00 | — |
| Hopedale Medical Complex Hopedale, IL · (309) 449-3321 CK POINT OF CARE+2 more lines at this price File of Apr 6, 2026 · source file | $60.34 | $86.20 | $6.38–$18.58 | 30% |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 CK Total Ref File of Apr 15, 2026 · source file | $86.00 | $86.00 | $5.60–$56.85 | — |
| Methodist Medical Center of Illinois Peoria, IL · (309) 672-5522 Creatine Kinase CK/Cpk/Total File of Apr 15, 2026 · source file | $88.00 | $88.00 | $5.60–$44.00 | — |
| Proctor Community Hospital Peoria, IL · (309) 691-1000 Creatine Kinase CK/Cpk/Total File of Apr 15, 2026 · source file | $88.00 | $88.00 | $5.77–$44.00 | — |
| Carle Health Pekin Hospital Pekin, IL · (309) 347-1151 Creatine Kinase CK/Cpk/Total File of Apr 15, 2026 · source file | $88.00 | $88.00 | $5.60–$44.00 | — |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 Creatine Kinase CK/Cpk/Total File of Apr 15, 2026 · source file | $92.00 | $92.00 | $5.60–$60.81 | — |
| Carle Eureka Hospital Eureka, IL · (309) 467-2371 CK Total File of Apr 15, 2026 · source file | $107.00 | $107.00 | $5.60–$70.73 | — |
Inpatient: lowest $26.00, median $28.00, highest $60.34 — a 2.3× difference within the same market.
As an outpatient, the same code is billed by 5 facilities here, median $28.00 — that is the price to compare if you are not being admitted.
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.