Surgery and procedures CPT 58100 Outpatient

Endometrial biopsy cost in Spokane, WA

In Spokane-Spokane Valley, WA, 3 hospitals list a cash price for endometrial biopsy (uterine lining sample) without dilating the cervix: from $266.70 to $422.10, with a median of $311.50. The lowest listed price is at Providence St Joseph Hospital — $44.80 less than the median here. Across Washington, the median is $288.40 at 25 hospitals.

Cash prices at 3 facilities across 3 cities for code 58100, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$266.70Providence St Joseph Hospital
Median$311.50half pay less
Highest$422.10in this market
Difference1.6×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Spokane-Spokane Valley, WA.

median
Lowest $266.70Highest $442.40

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence St Joseph Hospital lowest Chewelah, WA · (509) 935-8211 HC ED ENDOMETRIAL BX W/WO ENDOCERVIX BX W/O DILAT SPX CDM $266.70 $381.00 — 30% Apr 1, 2026
source file
Providence Mount Carmel Hospital Colville, WA · (509) 684-2561 HC ED ENDOMETRIAL BX W/WO ENDOCERVIX BX W/O DILAT SPX CDM $311.50 $445.00 — 30% Apr 1, 2026
source file
Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC BIOPSY OF UTERUS LINING $422.10 $603.00 — 30% Apr 1, 2026
source file
Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ED ENDOMETRIAL BX W/WO ENDOCERVIX BX W/O DILAT SPX CDM $422.10 $603.00 — 30% Apr 1, 2026
source file
Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ED ENDOMETRIAL BX W/WO ENDOCERVIX BX W/O DILAT SPX CDM $442.40 $632.00 — 30% Apr 1, 2026
source file

Outpatient: lowest $266.70, median $311.50, highest $422.10 — a 1.6× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $311.50. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

What it is

An endometrial biopsy takes a small sample of the uterine lining with a thin tube passed through the cervix, without stretching the cervix open. It is used to investigate abnormal bleeding, such as bleeding after menopause.

What the price covers

The price covers taking the sample. The pathologist's exam and the office visit are usually billed separately.