Free T4 thyroid test cost in Idaho

Prices at 19 hospitals in Idaho, from their machine-readable files. Here the median cash price is $41 — 41% below the US median ($69), roughly 4.5× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Treasure Valley Hospital Boise, ID $26 $85 — — —
Mountain View Hospital Idaho Falls, ID $36 $9 ★ 3/5 114 min —
St Lukes Magic Valley Medical Center Twin Falls, ID $40 $32 ★ 4/5 186 min —
St Luke's Regional Medical Center Boise, ID $40 $32 ★ 5/5 168 min —
St Luke's Nampa Medical Center Nampa, ID $40 $33 ★ 5/5 158 min —
St Luke's Jerome Jerome, ID $40 $32 — 100 min —
St Luke's Elmore Medical Center Mountain Home, ID $40 $32 ★ 5/5 112 min —
St Luke's McCall Mccall, ID $40 $38 — 145 min —
St Luke's Wood River Medical Center Ketchum, ID $40 $37 ★ 4/5 140 min —
Idaho Falls Community Hospital, Llc Idaho Falls, ID $41 $9 ★ 4/5 137 min —
Gritman Medical Center Moscow, ID $49 $22 ★ 3/5 122 min —
North Canyon Medical Center Gooding, ID $58 $30 — 116 min —
Franklin County Medical Center Preston, ID $90 $86 ★ 3/5 188 min —
Kootenai Health Coeur D'alene, ID $95 $30 ★ 4/5 178 min —
Power County Hospital District American Falls, ID $99 — — 85 min —
Northwest Specialty Hospital Post Falls, ID $117 $9 — — —
West Valley Medical Center Caldwell, ID $131 $19 ★ 5/5 131 min —
Portneuf Medical Center Pocatello, ID $160 $226 ★ 4/5 212 min —
Eastern Idaho Regional Medical Center Idaho Falls, ID $386 $152 ★ 3/5 133 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)
$49
Cash / self-pay
$41
Insurer-negotiated
$32
Medicare pays
$9
$39$137
Median cash $41  ·  Medicare $9  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $41 — about 4.5× the Medicare rate ($9). High vs Medicare. A fair cash price is usually within ~2× Medicare ($18).

💡 Asking for the cash price instead of the $49 list price could save about $9 (17%).

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

Free T4 thyroid test cost in other states

All Free T4 thyroid test prices (national) → · All hospitals in Idaho →