Lab tests CPT 84520 Outpatient

BUN test cost in Oxford, MS

In Oxford, MS, 2 hospitals list a cash price for blood urea nitrogen (BUN) test: from $21.00 to $31.28, with a median of $26.14. The lowest listed price is at Yalobusha General Hospital — $5.14 less than the median here. Across Mississippi, the median is $30.82 at 55 hospitals.

Cash prices at 2 facilities across 2 cities for code 84520, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 27, 2026 and Feb 27, 2026.

Lowest$21.00Yalobusha General Hospital

Median$26.14half of hospitals charge less

Highest$31.28in this market

Difference1.5×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 Oxford, MS.

median

Lowest $21.00Highest $31.74

Hospitals, cheapest first

Hospital	Cash price	List price	Insurers pay	Off list
Yalobusha General Hospital lowest Water Valley, MS · (662) 473-1411 BUN source file	$21.00	$30.00	$24.00–$9.00	30%
Baptist Memorial Hospital-North Mississippi Oxford, MS · (662) 232-8100 UREA NITROGEN FLUID File of Feb 27, 2026 · source file	$31.28	$136.00	$3.79–$122.40	77%
Baptist Memorial Hospital-North Mississippi Oxford, MS · (662) 232-8100 UREA NITROGEN BLOOD File of Feb 27, 2026 · source file	$31.74	$138.00	$3.79–$124.20	77%

Hospital The hospital that published the price, its city and the line exactly as written in its price file.

Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More

List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More

Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More

Off list How much lower the cash price is than the list price.

Outpatient: lowest $21.00, median $26.14, highest $31.28 — a 1.5× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $26.14. 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 1 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 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

A BUN test measures urea nitrogen, a waste product removed by the kidneys. It is used with creatinine to check kidney function and hydration.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.