High-risk screening colonoscopy cost in Boise City, ID
In Boise City, ID, 4 hospitals list a cash price for screening colonoscopy, high risk of colorectal cancer (Medicare code): from $486.42 to $2,509.00, with a median of $1,519.50. The lowest listed price is at Saint Alphonsus Regional Medical Center - Boise — $1,033.08 less than the median here. Across Idaho, the median is $2,509.00 at 7 hospitals.
Cash prices at 4 facilities across 2 cities for code G0105, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and Mar 31, 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 Boise City, ID.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Saint Alphonsus Regional Medical Center - Boise lowest Boise, ID · (208) 367-2121 PR Colonoscopy Colorectal Cancer Screening High Risk Patient | $486.42 | — | $52.51–$437.78 | — | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID · (208) 463-5000 PR Colonoscopy Colorectal Cancer Screening High Risk Patient | $530.00 | — | $52.51–$286.28 | — | Mar 31, 2026 source file |
| St Luke's Nampa Medical Center Nampa, ID · (208) 505-2000 | $2,509.00 | $2,509.00 | — | — | — source file |
| St Luke's Nampa Medical Center Nampa, ID · (208) 505-2000 | $2,509.00 | $2,509.00 | — | — | — source file |
| St Luke's Regional Medical Center Boise, ID · (208) 381-2222 | $2,509.00 | $2,509.00 | — | — | — source file |
| St Luke's Regional Medical Center Boise, ID · (208) 381-2222 | $2,509.00 | $2,509.00 | — | — | — source file |
| Saint Alphonsus Regional Medical Center - Boise Boise, ID · (208) 367-2121 HC Colonoscopy Colorectal Cancer Screening High Risk Patient (Restricted Method II CAH) | $2,890.22 | — | $344.25–$12,650.00 | — | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID · (208) 463-5000 HC Colonoscopy Colorectal Cancer Screening High Risk Patient (Restricted Method II CAH) | $3,586.08 | — | $344.25–$9,000.00 | — | Mar 31, 2026 source file |
Outpatient: lowest $486.42, median $1,519.50, highest $2,509.00 — a 5.2× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $1,519.50. 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 0 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it 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
This is a screening colonoscopy for someone without symptoms who is at high risk of colorectal cancer, for example because of a close relative with the disease, earlier polyps or inflammatory bowel disease. G0105 is a Medicare code; for people at high risk Medicare covers it as often as every 2 years.
What the price covers
The facility price usually covers the procedure room and recovery. The gastroenterologist, anesthesia, the bowel-prep medicine and any pathology are usually billed or bought separately.