Prices at 18 hospitals in Montana, from their machine-readable files. Here the median cash price is $92 — about the US median ($90), roughly 6.3× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Roosevelt Medical Center | Culbertson, MT | $33 | $88 | — | 94 min | — |
| Great Falls Clinic Hospital | Great Falls, MT | $61 | $21 | ★ 2/5 | 136 min | 15.0% |
| Big Horn Hospital | Hardin, MT | $67 | $73 | — | 140 min | — |
| Billings Clinic | Billings, MT | $68 | — | ★ 4/5 | 172 min | 14.2% |
| Billings Clinic Broadwater | Townsend, MT | $68 | — | — | 81 min | — |
| Fallon Medical Complex Hospital | Baker, MT | $78 | $76 | — | 92 min | 15.2% |
| Big Sandy Medical Center | Big Sandy, MT | $86 | $106 | — | 72 min | — |
| Sidney Health Center | Sidney, MT | $88 | $135 | ★ 3/5 | 152 min | 14.7% |
| St Luke Community Hospital | Ronan, MT | $96 | $34 | — | 110 min | 15.1% |
| Clark Fork Valley Hospital | Plains, MT | $110 | $110 | — | 153 min | 14.7% |
| Rosebud Health Care Center | Forsyth, MT | $117 | $114 | — | 105 min | — |
| Deer Lodge Medical Center | Deer Lodge, MT | $127 | $134 | — | 118 min | 15.3% |
| Bozeman Health Deaconess Hospital | Bozeman, MT | $128 | $16 | ★ 4/5 | 142 min | 14.4% |
| Phillips County Hospital-CAH | Malta, MT | $129 | $12 | — | 77 min | 15.3% |
| Bozeman Health Big Sky Medical Center | Big Sky, MT | $154 | $16 | — | 106 min | — |
| Dahl Memorial Healthcare Association Inc | Ekalaka, MT | $242 | $242 | — | 121 min | 14.6% |
| St Peters Health | Helena, MT | $268 | $47 | ★ 3/5 | 178 min | 14.3% |
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 June 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)
Typical cash price here is $92 — about 6.3× 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 $113 list price could save about $21 (19%).
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 →