Ammonia blood test cost in Montana

Prices at 19 hospitals in Montana, from their machine-readable files. Here the median cash price is $96 — 7% above the US median ($90), roughly 6.6× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Roosevelt Medical Center Culbertson, MT $33 $88 — 100 min —
Great Falls Clinic Hospital Great Falls, MT $61 $21 ★ 2/5 140 min —
Big Horn Hospital Hardin, MT $67 $73 — 140 min —
Billings Clinic Billings, MT $68 — ★ 4/5 176 min —
Billings Clinic Broadwater Townsend, MT $68 — — 76 min —
Fallon Medical Complex Hospital Baker, MT $78 $76 — 102 min —
Big Sandy Medical Center Big Sandy, MT $86 $106 — 77 min —
Sidney Health Center Sidney, MT $88 $135 ★ 3/5 152 min —
St Luke Community Hospital Ronan, MT $96 $34 — 109 min —
Clark Fork Valley Hospital Plains, MT $110 $110 — 148 min —
Rosebud Health Care Center Forsyth, MT $117 $114 — 97 min —
Poplar Community Hospital Poplar, MT $125 $159 — 89 min —
Deer Lodge Medical Center Deer Lodge, MT $127 $134 — 122 min —
Bozeman Health Deaconess Hospital Bozeman, MT $128 $16 ★ 4/5 142 min —
Phillips County Hospital-CAH Malta, MT $129 $12 — 78 min —
Bozeman Health Big Sky Medical Center Big Sky, MT $154 $16 — 107 min —
Dahl Memorial Healthcare Association Inc Ekalaka, MT $242 $242 — 129 min —
St Peters Health Helena, MT $268 $47 ★ 3/5 179 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)
$117
Cash / self-pay
$96
Insurer-negotiated
$76
Medicare pays
$15
$55$171
Median cash $96  ·  Medicare $15  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $96 — about 6.6× 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 $117 list price could save about $21 (18%).

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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.

Ammonia blood test cost in other states

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