Creatine kinase (CK) test cost in California

Prices at 178 hospitals in California, from their machine-readable files. Here the median cash price is $69 — 37% above the US median ($50), roughly 10.5× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
University of California Davis Medical Center Sacramento, CA $10 $10 ★ 4/5 328 min —
Mark Twain Medical Center San Andreas, CA $11 $8 ★ 3/5 123 min —
Fresno Surgical Hospital Fresno, CA $12 $7 — — —
Doctors Medical Center Modesto, CA $12 — ★ 1/5 221 min —
Banner Lassen Medical Center Susanville, CA $13 $7 ★ 3/5 116 min —
Scripps Mercy Hospital San Diego, CA $14 $9 ★ 4/5 194 min —
Scripps Memorial Hospital La Jolla La Jolla, CA $14 $9 ★ 5/5 186 min —
Scripps Green Hospital La Jolla, CA $14 $9 ★ 5/5 — —
Scripps Memorial Hospital-Encinitas Encinitas, CA $14 $9 ★ 4/5 200 min —
Community Hospital of San Bernardino San Bernardino, CA $14 $8 ★ 3/5 153 min —
San Gorgonio Memorial Hospital Banning, CA $15 $7 ★ 3/5 194 min —
St Joseph's Medical Center of Stockton Stockton, CA $16 $8 ★ 3/5 225 min —
Community Memorial Hospital-Ojai Ojai, CA $17 $27 — 114 min —
Mercy Medical Center Redding Redding, CA $19 — ★ 2/5 194 min —
UCI Health-Orange Orange, CA $20 $9 ★ 4/5 318 min —
UCI Health-Los Alamitos Los Alamitos, CA $20 $9 ★ 1/5 238 min —
UCI Health-Fountain Valley Fountain Valley, CA $20 $9 ★ 2/5 158 min —
UC San Diego Health Hillcrest-Hillcrest Med Ctr San Diego, CA $20 $8 ★ 5/5 259 min —
VA Long Beach Healthcare System Long Beach, CA $21 $10 ★ 4/5 — —
Memorialcare Long Beach Medical Center Long Beach, CA $21 $10 ★ 2/5 284 min —
Memorialcare Saddleback Medical Center Laguna Hills, CA $21 $12 ★ 4/5 206 min —
Memorialcare Orange Coast Medical Center Fountain Valley, CA $21 $10 ★ 4/5 154 min —
Emanuel Medical Center Turlock, CA $22 — ★ 2/5 190 min —
Trinity Hospital Weaverville, CA $22 $27 — 69 min —
Kern Medical Center Bakersfield, CA $22 $14 ★ 1/5 306 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)
$161
Cash / self-pay
$69
Insurer-negotiated
$7
Medicare pays
$7
$10$243
Median cash $69  ·  Medicare $7  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $69 — about 10.5× 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 $161 list price could save about $92 (57%).

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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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