Ammonia blood test cost in Phoenix, AZ

Prices at 4 hospitals in Phoenix, AZ, from their machine-readable files. Here the median cash price is $70 — 22% below the US median ($90), roughly 4.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Banner Estrella Medical Center Phoenix, AZ $34 $20 ★ 3/5 236 min
Banner-University Medical Center Phoenix Phoenix, AZ $34 $18 ★ 3/5 266 min
Mayo Clinic Hospital Phoenix, AZ $105 ★ 5/5 202 min
Honorhealth Tempe Medical Center Phoenix, AZ $571 $26 150 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 September 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)
$213
Cash / self-pay
$70
Insurer-negotiated
$20
Medicare pays
$15
$34$431
Median cash $70  ·  Medicare $15  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $70 — about 4.8× 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 $213 list price could save about $143 (67%).

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.

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