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Pacific · Selenium Urine Test – Deficiency Testing

Selenium Urine Test – Deficiency Testing in Oregon

This page explains the selenium urine test – deficiency testing, what it measures, and how to order it. A selenium urine test measures how much selenium is excreted in urine, which can reflect recent exposure or body levels. It is used to monitor industrial exposure or help evaluate a possible deficiency.

Sample typeBlood and/or urine at a collection lab
ReferralIncluded — no referral from your own doctor needed

Lab requirements in Oregon

Here is what you need before ordering and completing the Selenium Urine Test – Deficiency Testing in OR. Review each item and confirm the details with the collection lab.

Physician's order
Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
Fasting
Some tests require fasting or avoiding certain foods or drinks beforehand. You will be informed when you order — confirm the details with the collection lab.
Preparation
Preparation depends on the type of urine collection and the laboratory's procedures. Follow the specific instructions provided by the collection lab.
Sample & visit
A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
Identification
Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
Turnaround
1-3 business days
Availability
Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.

Before you go

  • Order your test before visiting a lab, then use the requisition form in your account.
  • Print the requisition form, or fax it to the lab directly from your account.
  • No scheduling is needed — visit the collection lab during its normal business hours.
  • A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
  • Bring a government-issued photo ID in case the lab requests it.
  • Results are posted to your secure account within 1–3 business days.

Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.

What this test is

This test measures the amount of selenium in a urine sample. Selenium is a trace element that acts as an antioxidant and supports thyroid and immune function. Urine selenium mainly reflects recent intake and excretion, so it is often used alongside other tests.

What it measures

  • Urine selenium — reflects recent selenium intake and excretion
  • Creatinine (if measured) — helps adjust for urine concentration
  • Collection volume (for 24-hour) — used to calculate total daily excretion

What the test involves

You will collect a urine sample, usually a spot sample or a 24-hour collection, following the lab's instructions. The sample is then sent to the laboratory for analysis.

Why it is often ordered

A clinician may order this test to monitor workplace exposure to selenium or to help assess whether selenium levels are too low. It can also be used to follow up on abnormal findings from other tests.

Preparation

Preparation depends on the type of urine collection and the laboratory's procedures. Follow the specific instructions provided by the collection lab.

How results are reported

Results are reported as a concentration or total amount of selenium in the urine, often with a reference range. Reference ranges vary by laboratory and by the type of collection, so your result should be interpreted in that context.

Before you go

  • Whether a spot or 24-hour urine collection is required
  • Any dietary or supplement restrictions before collection
  • How and when to return the sample to the lab

Cities

Selenium Urine Test – Deficiency Testing in Oregon communities

Choose your city for local context and to order this test.

Portland2,036,875Selenium Urine Test – Deficiency TestingEugene273,904Selenium Urine Test – Deficiency TestingSalem268,634Selenium Urine Test – Deficiency TestingMedford178,457Selenium Urine Test – Deficiency TestingGresham114,164Selenium Urine Test – Deficiency TestingBend109,224Selenium Urine Test – Deficiency TestingHillsboro105,909Selenium Urine Test – Deficiency TestingBeaverton97,466Selenium Urine Test – Deficiency TestingAlbany66,405Selenium Urine Test – Deficiency TestingCorvallis66,090Selenium Urine Test – Deficiency TestingSpringfield62,138Selenium Urine Test – Deficiency TestingTigard54,750Selenium Urine Test – Deficiency TestingAloha52,704Selenium Urine Test – Deficiency TestingLake Oswego40,390Selenium Urine Test – Deficiency TestingKeizer39,119Selenium Urine Test – Deficiency TestingGrants Pass38,902Selenium Urine Test – Deficiency TestingOregon City37,160Selenium Urine Test – Deficiency TestingMcMinnville34,224Selenium Urine Test – Deficiency TestingRedmond33,160Selenium Urine Test – Deficiency TestingBethany29,277Selenium Urine Test – Deficiency TestingTualatin27,821Selenium Urine Test – Deficiency TestingWest Linn27,173Selenium Urine Test – Deficiency TestingWilsonville25,887Selenium Urine Test – Deficiency TestingWoodburn25,877Selenium Urine Test – Deficiency TestingForest Grove25,767Selenium Urine Test – Deficiency TestingNewberg25,108Selenium Urine Test – Deficiency TestingRoseburg23,551Selenium Urine Test – Deficiency TestingHappy Valley23,442Selenium Urine Test – Deficiency TestingHayesville21,887Selenium Urine Test – Deficiency TestingKlamath Falls21,710Selenium Urine Test – Deficiency TestingAshland21,348Selenium Urine Test – Deficiency TestingMilwaukie21,108Selenium Urine Test – Deficiency TestingSherwood20,281Selenium Urine Test – Deficiency TestingAltamont19,569Selenium Urine Test – Deficiency TestingHermiston19,141Selenium Urine Test – Deficiency TestingCedar Mill18,987Selenium Urine Test – Deficiency TestingCentral Point18,948Selenium Urine Test – Deficiency TestingLebanon18,150Selenium Urine Test – Deficiency TestingCanby18,078Selenium Urine Test – Deficiency TestingOak Grove17,382Selenium Urine Test – Deficiency TestingPendleton16,861Selenium Urine Test – Deficiency TestingDallas16,663Selenium Urine Test – Deficiency TestingFour Corners16,608Selenium Urine Test – Deficiency TestingTroutdale16,353Selenium Urine Test – Deficiency TestingThe Dalles15,942Selenium Urine Test – Deficiency TestingCoos Bay15,921Selenium Urine Test – Deficiency TestingSt. Helens13,808Selenium Urine Test – Deficiency TestingLa Grande13,212Selenium Urine Test – Deficiency TestingOatfield12,993Selenium Urine Test – Deficiency TestingCornelius12,893Selenium Urine Test – Deficiency TestingSandy12,383Selenium Urine Test – Deficiency TestingGladstone12,017Selenium Urine Test – Deficiency TestingOak Hills11,715Selenium Urine Test – Deficiency TestingSanta Clara11,680Selenium Urine Test – Deficiency TestingOntario11,465Selenium Urine Test – Deficiency TestingDamascus10,878Selenium Urine Test – Deficiency TestingMonmouth10,735Selenium Urine Test – Deficiency TestingPrineville10,611Selenium Urine Test – Deficiency TestingCottage Grove10,569Selenium Urine Test – Deficiency TestingFairview10,439Selenium Urine Test – Deficiency Testing