Lab tests CPT 87491 Inpatient — admitted to hospital

Chlamydia test cost in Worcester, MA — inpatient

In Worcester, MA, 3 hospitals list a cash price for chlamydia test by nucleic acid amplification (NAAT, PCR-type) as an inpatient: from $249.00 to $310.00, with a median of $300.00. The lowest listed price is at HealthAlliance - Clinton Hospital — $51.00 less than the median here. Across Massachusetts, the median is $150.00 at 19 hospitals.

Cash prices at 3 facilities across 3 cities for code 87491, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 26, 2026 and Apr 3, 2026.

Lowest$249.00HealthAlliance - Clinton Hospital
Median$300.00half pay less
Highest$310.00in this market
Difference1.2×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 Worcester, MA.

median
Lowest $249.00Highest $310.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
HealthAlliance - Clinton Hospital lowest Leominster, MA · (978) 466-2000 HC Infectious Agent Detection by Nucleic Acid Chlamydia Trachomatis, Amplified Probe Technique $249.00 $249.00 — — Mar 26, 2026
source file
UMass Memorial Health - Harrington Hospital Southbridge, MA · (508) 765-9771 HC Infectious Agent Detection by Nucleic Acid Chlamydia Trachomatis, Amplified Probe Technique $300.00 $300.00 — — Apr 3, 2026
source file
UMass Memorial Medical Center Worcester, MA · (508) 334-1000 HC Infectious Agent Detection by Nucleic Acid Chlamydia Trachomatis, Amplified Probe Technique $310.00 $310.00 — — Mar 26, 2026
source file

Inpatient: lowest $249.00, median $300.00, highest $310.00 — a 1.2× difference within the same market.

As an outpatient, the same code is billed by 4 facilities here, median $305.00 — that is the price to compare if you are not being admitted.

What it is

This test looks for the genetic material of Chlamydia trachomatis using a nucleic acid amplification test (NAAT), the most accurate type of chlamydia test. It is run on a urine sample or a swab and is used for routine screening and when there are symptoms.

What the price covers

The price usually covers the chlamydia test only. The visit, the sample collection and a gonorrhea test on the same sample (87591) are usually billed separately.