Creatine kinase (CK) test cost in South Dakota

Prices at 41 hospitals in South Dakota, from their machine-readable files. Here the median cash price is $91 — 82% above the US median ($50), roughly 14.0× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Sanford Canton-Inwood Medical Center-CAH Canton, SD $36 $31 — 124 min —
Eureka Community Health Services-CAH Eureka, SD $43 $39 — 117 min —
Freeman Medical Center-CAH Freeman, SD $43 $39 — 123 min —
Sanford Hospital Webster-CAH Webster, SD $48 $45 — 110 min —
Avera Hand County Memorial Hospital and Clinic Miller, SD $49 $43 — 111 min —
Monument Health Rapid City Hospital Rapid City, SD $52 $12 ★ 3/5 172 min —
Douglas County Memorial Hospital-CAH Armour, SD $52 $110 — 118 min —
Brookings Health System Brookings, SD $53 $78 ★ 4/5 97 min —
Sanford Clear Lake Medical Center Clear Lake, SD $66 $68 — 93 min —
St Michael's Hospital-CAH Tyndall, SD $70 $65 — 112 min —
Sanford Chamberlain Medical Center Chamberlain, SD $73 $68 — 80 min —
Faulkton Area Medical Center Faulkton, SD $76 $80 — 122 min —
Sioux Falls Specialty Hospital Sioux Falls, SD $82 $73 — — —
Avera Weskota Memorial Medical Center-CAH Wessington Springs, SD $89 $83 — 126 min —
Hans P Peterson Memorial Hospital-CAH Philip, SD $90 $88 — 88 min —
Avera De Smet Memorial Hospital-CAH De Smet, SD $90 $76 — 120 min —
Avera Queen of Peace Mitchell, SD $90 $64 ★ 4/5 104 min —
Monument Health Lead-Deadwood Hospital Deadwood, SD $91 $12 — 90 min —
Monument Health Sturgis Hospital Sturgis, SD $91 $12 — 132 min —
Community Memorial Hospital Redfield, SD $92 $103 ★ 4/5 102 min —
Bennett County Hospital and Nursing Home-CAH Martin, SD $92 — — 80 min —
Avera Heart Hospital of South Dakota Sioux Falls, SD $93 $25 ★ 5/5 110 min —
Monument Health Spearfish Hospital Spearfish, SD $95 $11 ★ 4/5 144 min —
Avera St Lukes Aberdeen, SD $101 $98 ★ 4/5 126 min —
Milbank Area Hospital/avera Health Milbank, SD $101 $98 — 126 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)
$93
Cash / self-pay
$91
Insurer-negotiated
$77
Medicare pays
$7
$43$143
Median cash $91  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $91 — about 14.0× 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 $93 list price could save about $2 (2%).

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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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