Creatine kinase (CK) test cost in Colorado

Prices at 44 hospitals in Colorado, from their machine-readable files. Here the median cash price is $44 — 12% below the US median ($50), roughly 6.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
East Morgan County Hospital Brush, CO $12 $16 — 111 min —
University of Colorado Hospital Authority Aurora, CO $17 $19 ★ 5/5 102 min —
Denver Health & Hospital Authority Denver, CO $17 $9 ★ 3/5 208 min —
Longs Peak Hospital Longmont, CO $20 $21 ★ 5/5 130 min —
National Jewish Health Denver, CO $32 $29 — — —
Community Hospital Grand Junction, CO $32 $7 ★ 4/5 135 min —
St Thomas More Hospital Canon City, CO $36 $64 ★ 4/5 143 min —
Longmont United Hospital Longmont, CO $38 $8 ★ 3/5 153 min —
Centura Health-St Anthony Hospital Lakewood, CO $38 $11 ★ 4/5 212 min —
Centura Health-Penrose St Francis Health Services Colorado Springs, CO $38 $6 ★ 3/5 193 min —
Centura Health-St Anthony North Health Campus Westminster, CO $38 $11 ★ 5/5 160 min —
St Anthony Summit Medical Center Frisco, CO $38 $11 — 151 min —
Orthocolorado Hosp at St Anthony Med Campus Lakewood, CO $38 $9 — — —
St Francis Hospital-Interquest Colorado Springs, CO $38 $7 — 118 min —
Prowers Medical Center Lamar, CO $41 — — 118 min —
Vail Health Hospital Vail, CO $42 — ★ 5/5 141 min —
Mercy Regional Medical Center Durango, CO $42 $31 ★ 5/5 166 min —
Uchealth Yampa Valley Medical Center Steamboat Springs, CO $43 $37 — 116 min —
Family Health West Hospital Fruita, CO $43 $7 — 48 min —
St Mary-Corwin Hospital Pueblo, CO $43 $8 ★ 4/5 164 min —
Southwest Memorial Hospital Cortez, CO $44 $36 ★ 4/5 106 min —
Boulder Community Health Boulder, CO $45 $23 ★ 4/5 135 min —
St Vincent General Hospital District Leadville, CO $46 $59 — — —
Aspen Valley Hospital Aspen, CO $50 $57 — — —
Middle Park Medical Center Kremmling, CO $56 $60 — 132 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)
$95
Cash / self-pay
$44
Insurer-negotiated
$22
Medicare pays
$7
$23$110
Median cash $44  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $44 — about 6.8× 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 $95 list price could save about $51 (54%).

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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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