Glucose tolerance test cost in St. Louis, MO — inpatient
In St. Louis, MO-IL, 7 hospitals list a cash price for glucose tolerance test, 3 samples as an inpatient: from $44.59 to $197.28, with a median of $154.80. The lowest listed price is at Mercy Rehabilitation Hospital South — $110.21 less than the median here. Across Missouri, the median is $89.00 at 28 hospitals.
Cash prices at 7 facilities across 7 cities for code 82951, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 16, 2026 and Mar 16, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in St. Louis, MO-IL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mercy Rehabilitation Hospital South lowest Louis, MO GLUCOSE TOL - 3 SPECIMENS | $44.59 | $44.59 | $44.59 | — | Mar 16, 2026 source file |
| Gateway Regional Medical Center Granite City, IL · (618) 798-3000 LAC TOLERANCE 3 SPEC | $72.00 | $120.00 | $120.00 | 40% | — source file |
| St Josephs Hospital Hospital Sisters Third Order of St Francis Breese, IL · (618) 526-4511 GLUCOSE TOLERANCE TEST (GTT) | $121.68 | $169.00 | $8.40–$169.00 | 28% | — source file |
| St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon, IL HC GLUCOSE TOLERANCE | $154.80 | $215.00 | $8.40–$215.00 | 28% | — source file |
| St Josephs Hospital of the Hospital Sisters of the Third Order of St Francis Highland, IL · (618) 651-2600 HC GLUCOSE TOLERANCE | $156.24 | $217.00 | $19.56–$217.00 | 28% | — source file |
| Mercy Rehabilitation Hospital St. Louis Chesterfield, MO GLUCOSE TOL - 3 SPECIMENS | $161.72 | $161.72 | $161.72 | — | Mar 16, 2026 source file |
| Hshs Holy Family Hospital Greenville, IL · (618) 664-1230 HC GLUCOSE TOLERANCE | $197.28 | $274.00 | $8.82–$274.00 | 28% | — source file |
Inpatient: lowest $44.59, median $154.80, highest $197.28 — a 4.4× difference within the same market.
As an outpatient, the same code is billed by 11 facilities here, median $133.25 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 5 of 7 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
The glucose tolerance test measures blood sugar before and after drinking a glucose solution. It is used to diagnose gestational diabetes and sometimes prediabetes.
What the price covers
The price covers the first three blood sugar measurements. Each additional sample is billed separately (82952).