Ammonia blood test cost in California

Prices at 179 hospitals in California, from their machine-readable files. Here the median cash price is $160 — 78% above the US median ($90), roughly 11.0× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Fresno Surgical Hospital Fresno, CA $26 $15 — — —
Doctors Medical Center Modesto, CA $27 — ★ 1/5 221 min —
Banner Lassen Medical Center Susanville, CA $28 $42 ★ 3/5 116 min —
Kern Medical Center Bakersfield, CA $28 $7 ★ 1/5 306 min —
Children's Hospital of Orange County Orange, CA $31 $19 — — —
Children's Hospital at Mission Mission Viejo, CA $31 $19 — — —
Healthbridge Children's Hospital-Orange Orange, CA $31 $19 — — —
Tri-City Medical Center Oceanside, CA $33 $15 ★ 1/5 248 min —
St Elizabeth Community Hospital Red Bluff, CA $34 $15 ★ 4/5 133 min —
Mercy Medical Center of Mt Shasta Mount Shasta, CA $36 $15 ★ 4/5 89 min —
Community Memorial Hospital-Ojai Ojai, CA $39 $61 — 114 min —
College Medical Center Long Beach, CA $43 $15 ★ 3/5 322 min —
College Hospital Cerritos, CA $43 $15 — — —
Glendora Hospital Glendora, CA $43 $15 — — —
St Mary Medical Center Long Beach, CA $45 $19 ★ 5/5 150 min —
Trinity Hospital Weaverville, CA $48 $59 — 69 min —
St Rose Hospital Hayward, CA $51 $23 ★ 1/5 160 min —
Bear Valley Community Hospital Big Bear Lake, CA $54 $14 — 139 min —
Colorado River Medical Center Needles, CA $56 — — 121 min —
Ventura County Medical Center Ventura, CA $58 $19 ★ 2/5 178 min —
Community Memorial Hospital-Ventura Ventura, CA $58 $19 ★ 4/5 190 min —
El Camino Health Mountain View, CA $62 — ★ 4/5 163 min —
Palomar Health Downtown Campus Escondido, CA $63 — ★ 3/5 231 min —
Palomar Medical Center Poway Poway, CA $63 — ★ 4/5 200 min —
Pioneers Memorial Healthcare District Brawley, CA $63 $16 ★ 3/5 191 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)
$348
Cash / self-pay
$160
Insurer-negotiated
$15
Medicare pays
$15
$18$409
Median cash $160  ·  Medicare $15  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $160 — about 11.0× the Medicare rate ($15). High vs Medicare. A fair cash price is usually within ~2× Medicare ($29).

💡 Asking for the cash price instead of the $348 list price could save about $188 (54%).

Estimate what you’ll pay
Quick fill:

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

By city

Ammonia blood test cost in other states

All Ammonia blood test prices (national) → · All hospitals in California →