Creatine kinase (CK) test cost in Wisconsin

Prices at 93 hospitals in Wisconsin, from their machine-readable files. Here the median cash price is $62 — 24% above the US median ($50), roughly 9.5× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Ascension Ne Wisconsin-St Elizabeth Campus Appleton, WI $17 $9 ★ 4/5 143 min —
Bellin Memorial Hospital Green Bay, WI $19 $18 ★ 4/5 151 min —
Bellin Health Oconto Hospital Oconto, WI $19 $18 — 87 min —
Childrens Hospital of Wisconsin Fox Valley Neenah, WI $20 $29 — — —
River Falls Area Hospital River Falls, WI $20 $24 ★ 5/5 96 min —
Fort Memorial Hospital Fort Atkinson, WI $24 $34 ★ 4/5 171 min —
Ascension Calumet Hospital Chilton, WI $25 $9 — 86 min —
Holy Family Memorial Manitowoc, WI $25 $24 ★ 3/5 138 min —
Thedacare Regional Med Ctr-Neenah Neenah, WI $27 $7 ★ 4/5 142 min —
Thedacare Regional Medical Center-Appleton Inc Appleton, WI $27 $8 ★ 4/5 147 min —
Thedacare Medical Center-Wild Rose Wild Rose, WI $27 $15 — 121 min —
Thedacare Medical Center-New London New London, WI $27 $16 — 83 min —
Thedacare Medical Center-Waupaca Waupaca, WI $27 $12 ★ 3/5 120 min —
Thedacare Medical Center-Shawano Shawano, WI $27 $12 ★ 4/5 108 min —
Thedacare Medical Center-Berlin Inc Berlin, WI $27 $12 ★ 3/5 110 min —
Gundersen Boscobel Area Hospital and Clinics Boscobel, WI $32 $31 — 116 min —
Ascension All Saints Hospital Racine, WI $32 $9 ★ 2/5 146 min —
Ascension Se Wisconsin Hospital Milwaukee, WI $32 $9 ★ 5/5 124 min —
Midwest Orthopedic Specialty Hospital Franklin, WI $32 $9 — — —
Froedtert South Inc. Kenosha, WI $33 $20 ★ 2/5 157 min —
Community Memorial Hospital Menomonee Falls, WI $33 $20 ★ 4/5 219 min —
Froedtert Memorial Lutheran Hospital Milwaukee, WI $33 $20 ★ 3/5 275 min —
Froedtert Community Hospital New Berlin, WI $33 $20 — 125 min —
Beloit Health System Beloit, WI $34 $59 ★ 3/5 129 min —
Gundersen St Josephs Hospital and Clinics Hillsboro, WI $37 $37 — 121 min —

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)
$91
Cash / self-pay
$62
Insurer-negotiated
$20
Medicare pays
$7
$26$84
Median cash $62  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $62 — about 9.5× 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 $91 list price could save about $29 (32%).

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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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