Endometrial biopsy cost in Seattle, WA
In Seattle-Tacoma-Bellevue, WA, 13 hospitals list a cash price for endometrial biopsy (uterine lining sample) without dilating the cervix: from $149.88 to $363.48, with a median of $242.50. The lowest listed price is at Saint Clare Hospital — $92.62 less than the median here. Across Washington, the median is $292.80 at 39 hospitals.
- The median here, $242.50, is 20% below the US median of $303.68.
- That is 1.2× Medicare's 2026 national rate for the same service ($206.55).
- Every hospital here lists a cash price below its full list price.
Cash prices at 13 facilities across 11 cities for code 58100, as an outpatient — the setting a self-pay patient normally buys. Collected Nov 12, 2026; the hospital files themselves were last updated between Mar 12, 2026 and Sep 30, 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 Seattle-Tacoma-Bellevue, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Saint Clare Hospital lowest Lakewood, WA · (253) 588-1711 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $149.88 | $519.67 | $235.95–$1,014.31 | 71% |
| St Anthony Hospital Gig Harbor, WA · (253) 530-2050 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $158.04 | $519.67 | $235.95–$1,014.31 | 70% |
| Highline Medical Center Burien, WA · (206) 431-5237 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $158.19 | $519.67 | $218.27–$944.90 | 70% |
| St Francis Community Hospital Federal Way, WA · (253) 944-8100 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $159.80 | $519.67 | $234.77–$1,014.31 | 69% |
| St Joseph Medical Center Tacoma, WA · (253) 627-4101 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $170.30 | $519.67 | $235.95–$1,014.31 | 67% |
| St Elizabeth Hospital Enumclaw, WA · (360) 825-2505 HC BX ENDOMTRIAL SMPLNG W/O DIL File of Sep 30, 2026 · source file | $190.83 | $519.67 | $83.15–$2,077.00 | 63% |
| Overlake Medical Center & Clinics Bellevue, WA · (425) 688-5000 Hc Biopsy Uterus Lining File of Apr 1, 2026 · source file | $242.50 | $485.00 | — | 50% |
| Swedish Medical Center / Cherry Hill Seattle, WA · (206) 320-2000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $292.80 | $610.00 | — | 52% |
| Swedish Medical Center Seattle, WA · (206) 386-6000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $292.80 | $610.00 | — | 52% |
| Swedish Issaquah Issaquah, WA · (425) 313-4000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $292.80 | $610.00 | — | 52% |
| Virginia Mason Medical Center Seattle, WA · (206) 223-6600 HC Biopsy Endometrial WO Cervical Dilation+1 more line at this price File of Sep 30, 2026 · source file | $343.89 | $664.00 | $230.31–$4,497.00 | 48% |
| Valley Medical Center Renton, WA · (425) 228-3450 Endometrial Bx W/WO Endocervix Bx W/O Dilat Spx File of Mar 12, 2026 · source file | $354.90 | $507.00 | — | 30% |
| Providence Regional Medical Center Everett Everett, WA · (425) 261-2000 HC ED ENDOMETRIAL BX W/WO ENDOCERVIX BX W/O DILAT SPX CDM File of Apr 1, 2026 · source file | $363.48 | $699.00 | — | 48% |
| Valley Medical Center Renton, WA · (425) 228-3450 Endometrial Bx W/WO Endocervix Bx W/O Dilat Spx File of Mar 12, 2026 · source file | $497.00 | $710.00 | — | 30% |
| Swedish Medical Center Seattle, WA · (206) 386-6000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $537.60 | $1,120.00 | — | 52% |
| Swedish Issaquah Issaquah, WA · (425) 313-4000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $537.60 | $1,120.00 | — | 52% |
| Swedish Medical Center / Cherry Hill Seattle, WA · (206) 320-2000 HC BIOPSY OF UTERUS LINING File of Apr 1, 2026 · source file | $537.60 | $1,120.00 | — | 52% |
Outpatient: lowest $149.88, median $242.50, highest $363.48 — a 2.4× difference within the same market.
As an inpatient, the same code is billed by 13 facilities here, median $242.50. 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 7 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 6 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 endometrial biopsy is, what the price covers and why prices differ: Endometrial biopsy explained.