Lab tests CPT 87177 Inpatient — admitted to hospital

Ova and parasites test cost in Baltimore, MD — inpatient

In Baltimore-Columbia-Towson, MD, 3 hospitals list a cash price for stool ova and parasites exam as an inpatient: from $21.54 to $147.78, with a median of $128.13. The lowest listed price is at Greater Baltimore Medical Center — $106.59 less than the median here. Across Maryland, the median is $120.39 at 6 hospitals.

Cash prices at 3 facilities across 2 cities for code 87177, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.

Lowest$21.54Greater Baltimore Medical Center
Median$128.13half pay less
Highest$147.78in this market
Difference6.9×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 Baltimore-Columbia-Towson, MD.

median
Lowest $21.54Highest $147.78

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Greater Baltimore Medical Center lowest Towson, MD · (443) 849-2000 HC Ova and Parasite Exa $21.54 $21.98 $21.54–$21.98 2% —
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Mercy Medical Center Baltimore, MD · (410) 332-9237 HC OVA AND PARASITES SMEARS $128.13 $130.74 $130.74–$128.13 2% —
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Mt. Washington Pediatric Hospital Baltimore, MD · (410) 578-5050 OVA & PARASITES $147.78 $150.80 $147.78–$150.80 2% —
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Inpatient: lowest $21.54, median $128.13, highest $147.78 — a 6.9× difference within the same market.

As an outpatient, the same code is billed by 3 facilities here, median $128.13 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 2 of 3 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

The ova and parasites exam looks for parasites and their eggs in stool under a microscope, usually for diarrhea after travel or camping.

What the price covers

The price is usually for one sample; the collection kit is often included.