Lab tests CPT 82140 Outpatient

Ammonia test cost in Manchester, NH

In Manchester-Nashua, NH, 4 hospitals list a cash price for ammonia blood test: from $40.79 to $87.75, with a median of $75.85. The lowest listed price is at Monadnock Community Hospital — $35.06 less than the median here. Across New Hampshire, the median is $87.75 at 19 hospitals.

Cash prices at 4 facilities across 3 cities for code 82140, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$40.79Monadnock Community Hospital
Median$75.85half pay less
Highest$87.75in this market
Difference2.2×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 Manchester-Nashua, NH.

median
Lowest $40.79Highest $87.75

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Monadnock Community Hospital lowest Peterborough, NH · (603) 924-7191 AMMONIA-URINE-STONE $40.79 $67.98 — 40% Apr 1, 2026
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Monadnock Community Hospital Peterborough, NH · (603) 924-7191 AMMONIA $58.71 $97.85 — 40% Apr 1, 2026
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Southern NH Medical Center Nashua, NH · (603) 577-2000 HC ASSAY OF AMMONIA $66.97 $181.00 — 63% Apr 1, 2026
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Elliot Hospital Manchester, NH · (603) 669-5300 Hc Assay Of Ammonia $84.73 $229.00 — 63% Apr 1, 2026
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St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC AMMONIA $87.75 $225.00 — 61% —
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St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC SO AMMONIA $87.75 $225.00 — 61% —
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Outpatient: lowest $40.79, median $75.85, highest $87.75 — a 2.2× difference within the same market.

As an inpatient, the same code is billed by 4 facilities here, median $75.85. 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 ammonia test measures ammonia in the blood. It is used for confusion or drowsiness in people with liver disease and for some rare inherited disorders in newborns.

What the price covers

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