Creatine kinase (CK) test cost in Missouri

Prices at 51 hospitals in Missouri, from their machine-readable files. Here the median cash price is $64 — 28% above the US median ($50), roughly 9.9× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Ranken Jordan Pediatric Bridge Hospital Maryland Heights, MO $12 — — — —
Missouri Baptist Medical Center Saint Louis, MO $16 $15 ★ 5/5 262 min —
Missouri Baptist Sullivan Hospital Sullivan, MO $16 $15 ★ 2/5 175 min —
Mercy Hospital Jefferson Crystal City, MO $23 $9 ★ 4/5 202 min —
Mercy Hospital Washington Washington, MO $23 $9 ★ 4/5 159 min —
Mercy Hospital South Saint Louis, MO $23 $9 ★ 2/5 254 min —
Truman Medical Center Hospital Hill Kansas City, MO $24 $9 ★ 3/5 224 min —
University Health Lakewood Medical Center Kansas City, MO $24 $9 ★ 4/5 150 min —
Christian Hospital Northeast Saint Louis, MO $28 $23 ★ 4/5 217 min —
Progress West Hospital Ofallon, MO $28 $31 ★ 4/5 203 min —
St Louis Childrens Hospital Saint Louis, MO $28 $33 — — —
The Children's Mercy Hospital Kansas City, MO $29 $33 — — —
Boone Hospital Center Columbia, MO $30 — ★ 4/5 175 min —
Cox Medical Center Branson Branson, MO $30 $7 ★ 4/5 218 min —
Parkland Health Center Farmington, MO $34 $37 ★ 4/5 202 min —
Parkland Health Center-Bonne Terre Bonne Terre, MO $34 $37 — — —
Cox Medical Centers Springfield, MO $34 $7 ★ 3/5 219 min —
Mercy Hospital Perry Perryville, MO $35 $9 ★ 2/5 135 min —
Cox Monett Hospital Monett, MO $41 $50 ★ 3/5 151 min —
Cox Barton County Hospital Lamar, MO $43 $58 — 91 min —
Ste Genevieve County Memorial Hospital Sainte Genevieve, MO $53 $48 ★ 4/5 103 min —
Bothwell Regional Health Center Sedalia, MO $53 $7 ★ 4/5 198 min —
Harrison County Community Hospital Bethany, MO $57 $70 ★ 3/5 109 min —
Hannibal Regional Hospital Hannibal, MO $64 $83 ★ 2/5 145 min —
Shriners Hospitals for Children Saint Louis, MO $68 $8 — — —

CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated October 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.

Price comparison (median)

Chargemaster (list price)
$107
Cash / self-pay
$64
Insurer-negotiated
$16
Medicare pays
$7
$23$198
Median cash $64  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $64 — about 9.9× the Medicare rate ($7). High vs Medicare. A fair cash price is usually within ~2× Medicare ($13).

💡 Asking for the cash price instead of the $107 list price could save about $43 (40%).

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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

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