Lab tests CPT 83090 Outpatient

Homocysteine test cost in Walla Walla, WA

In Walla Walla, WA, 1 hospital lists a cash price for Homocysteine blood test: from $25.20 to $25.20, with a median of $25.20. Across Washington, the median is $117.00 at 33 hospitals.

Cash prices at 1 facility for code 83090, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$25.20Providence Health And Services - Washington
Median$25.20half pay less
Highest$25.20in this market
Difference1.0×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 Walla Walla, WA.

median
Lowest $25.20Highest $233.80

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence Health And Services - Washington lowest Walla Walla, WA HC ASSAY OF HOMOCYSTEINE (RL) $25.20 $36.00 — 30% Apr 1, 2026
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Providence Health And Services - Washington lowest Walla Walla, WA HC ASSAY OF HOMOCYSTEINE LAB $25.20 $36.00 — 30% Apr 1, 2026
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Providence Health And Services - Washington lowest Walla Walla, WA HC HOMOCYSTINE PLASMA (HYPERC) $25.20 $36.00 — 30% Apr 1, 2026
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Providence Health And Services - Washington Walla Walla, WA HC HOMOCYSTINE PLASMA QUANT $38.50 $55.00 — 30% Apr 1, 2026
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Providence Health And Services - Washington Walla Walla, WA HC ASSAY OF HOMOCYSTEINE CDM $233.80 $334.00 — 30% Apr 1, 2026
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Outpatient: lowest $25.20, median $25.20, highest $25.20.

As an inpatient, the same code is billed by 1 facility here, median $25.20. 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

A homocysteine test measures an amino acid that rises with low vitamin B12 or folate and in some inherited conditions.

What the price covers

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