Glucose tolerance test cost in St. Louis, MO
In St. Louis, MO-IL, 11 hospitals list a cash price for glucose tolerance test, 3 samples: from $41.60 to $197.28, with a median of $133.25. The lowest listed price is at Mercy Hospital Washington — $91.65 less than the median here. Across Missouri, the median is $89.00 at 28 hospitals.
Cash prices at 11 facilities across 9 cities for code 82951, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
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 Hospital Washington lowest Washington, MO Glucose Tol Test 3 Specimen | $41.60 | $64.00 | $4.16–$57.60 | 35% | — 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 |
| Mercy Hospital St Louis Saint Louis, MO Glucose Tol Test 3 Specimen | $97.50 | $150.00 | $9.75–$150.00 | 35% | — source file |
| Shriners Childrens - St Louis Saint Louis, MO · (314) 432-3600 GLUCOSE TOLERANCE TEST (GTT) | $98.70 | $98.70 | $4.75–$22.11 | — | — 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 |
| Mercy Hospital Lincoln Troy, MO · (636) 528-8551 Glucose Tol Test 3 Specimen | $133.25 | $205.00 | $13.33–$205.00 | 35% | — source file |
| Mercy Hospital Jefferson Festus, MO Glucose Tol Test 3 Specimen | $146.90 | $226.00 | $14.69–$226.00 | 35% | — 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 Hospital South Saint Louis, MO · (314) 525-1000 Glucose Tol Test 3 Specimen | $157.30 | $242.00 | $15.73–$242.00 | 35% | — 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 |
Outpatient: lowest $41.60, median $133.25, highest $197.28 — a 4.7× difference within the same market.
As an inpatient, the same code is billed by 7 facilities here, median $154.80. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 10 of 11 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).