Lab tests CPT 84450 Inpatient — admitted to hospital

AST liver test cost in Providence, RI — inpatient

In Providence-Warwick, RI-MA, 6 hospitals list a cash price for AST (aspartate aminotransferase) enzyme test as an inpatient: from $25.03 to $34.00, with a median of $34.00. The lowest listed price is at Saint Anne's Hospital, Lifespan of Massachusetts - Fall River Inc — $8.97 less than the median here. Across Rhode Island, the median is $34.00 at 6 hospitals.

Cash prices at 6 facilities across 5 cities for code 84450, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$25.03Saint Anne's Hospital, Lifespan of Massachusetts - Fall River Inc
Median$34.00half pay less
Highest$34.00in this market
Difference1.4×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 Providence-Warwick, RI-MA.

median
Lowest $25.03Highest $34.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Saint Anne's Hospital, Lifespan of Massachusetts - Fall River Inc lowest Fall River, MA HC AST $25.03 $25.03 — — —
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Morton Hospital and Medical Center, Inc., Lifespan of Massachusetts - Taunton Inc Taunton, MA HC AST $31.35 $31.35 — — —
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Emma Pendleton Bradley Hospital East Providence, RI HC AST $34.00 $34.00 — — —
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The Miriam Hospital Providence, RI HC AST $34.00 $34.00 — — —
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Newport Hospital Newport, RI HC AST $34.00 $34.00 — — —
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Rhode Island Hospital Providence, RI HC AST $34.00 $34.00 — — —
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Inpatient: lowest $25.03, median $34.00, highest $34.00 — a 1.4× difference within the same market.

As an outpatient, the same code is billed by 8 facilities here, median $34.00 — that is the price to compare if you are not being admitted.

What it is

AST is an enzyme found in the liver, muscles and heart. It is measured together with ALT to look for liver injury, and the ratio between them gives clues to the cause.

What the price covers

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