Lab tests CPT 84436 District of Columbia Outpatient

Total T4 test cost in District of Columbia

In District of Columbia, 4 hospitals publish a cash price for total thyroxine (T4) blood test: from $74.69 to $182.16, with a median of $95.01. The lowest price is at MedStar Georgetown Hospital (Northwest Washington). The highest price is 2.4× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 84436. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 29, 2026. See them on a map

Lowest$74.69MedStar Georgetown Hospital

Median$95.01half of hospitals charge less

Highest$182.16in District of Columbia

Lowest saves$20.32vs the median

Hospitals in District of Columbia, cheapest first

Hospital	Cash price	List price	File date
MedStar Georgetown Hospital lowest Northwest Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV THYROXINE TOTAL	$74.69	$114.91	Apr 1, 2026 source file
Children's National Hospital Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV Thyroxine	$86.50	$173.00	— source file
National Rehabilitation Hospital Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV THYROXINE TOTAL	$103.51	$159.24	Apr 1, 2026 source file
MedStar Washington Hospital Center Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV THYROXINE TOTAL	$182.16	$280.25	Apr 1, 2026 source file

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

File date When the hospital last updated its price file, as the file says itself. A dash means the file gives no date.

By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro area	Hospitals	Lowest	Median
Washington-Arlington-Alexandria, DC-VA-MD-WV	4	$74.69	$95.00

Market A metro area (as the Census Bureau defines it) or, outside metro areas, a town. Each links to every hospital price there.

Hospitals How many hospitals publish a cash price for this code here. Each hospital counts once, at its lowest outpatient cash price.

Lowest The lowest cash price among those hospitals.

Median The middle cash price: half of the hospitals charge less, half charge more. One price per hospital. More

What it is

A total T4 test measures all the thyroxine hormone in the blood, both bound and free. Most doctors now order free T4 (84439) instead, which is less affected by pregnancy and medicines.

What the price covers

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

Total thyroxine (T4) blood test in other states

Median cash price across the state's hospitals.