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Midwest · Selenium Urine Test – Deficiency Testing

Selenium Urine Test – Deficiency Testing in South Dakota

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 South Dakota

Here is what you need before ordering and completing the Selenium Urine Test – Deficiency Testing in SD. 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 South Dakota communities

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

Sioux Falls189,258Selenium Urine Test – Deficiency TestingRapid City88,076Selenium Urine Test – Deficiency TestingAberdeen28,500Selenium Urine Test – Deficiency TestingBrookings23,432Selenium Urine Test – Deficiency TestingWatertown22,577Selenium Urine Test – Deficiency TestingMitchell15,677Selenium Urine Test – Deficiency TestingYankton15,332Selenium Urine Test – Deficiency TestingPierre14,126Selenium Urine Test – Deficiency TestingHuron14,060Selenium Urine Test – Deficiency TestingSpearfish12,031Selenium Urine Test – Deficiency TestingBox Elder11,527Selenium Urine Test – Deficiency TestingVermillion11,506Selenium Urine Test – Deficiency TestingBrandon10,745Selenium Urine Test – Deficiency TestingRapid Valley7,875Selenium Urine Test – Deficiency TestingSturgis7,088Selenium Urine Test – Deficiency TestingHarrisburg6,645Selenium Urine Test – Deficiency TestingMadison6,388Selenium Urine Test – Deficiency TestingBelle Fourche5,561Selenium Urine Test – Deficiency TestingTea5,535Selenium Urine Test – Deficiency TestingDell Rapids3,940Selenium Urine Test – Deficiency TestingDakota Dunes3,688Selenium Urine Test – Deficiency TestingMilbank3,488Selenium Urine Test – Deficiency TestingHot Springs3,407Selenium Urine Test – Deficiency TestingHartford3,263Selenium Urine Test – Deficiency TestingMobridge3,215Selenium Urine Test – Deficiency TestingPine Ridge3,085Selenium Urine Test – Deficiency TestingBlackhawk3,081Selenium Urine Test – Deficiency TestingCanton3,054Selenium Urine Test – Deficiency TestingLead2,989Selenium Urine Test – Deficiency TestingNorth Sioux City2,956Selenium Urine Test – Deficiency TestingWinner2,882Selenium Urine Test – Deficiency TestingSummerset2,875Selenium Urine Test – Deficiency TestingLennox2,617Selenium Urine Test – Deficiency TestingSisseton2,433Selenium Urine Test – Deficiency TestingFort Pierre2,426Selenium Urine Test – Deficiency TestingColonial Pine Hills2,425Selenium Urine Test – Deficiency TestingChamberlain2,400Selenium Urine Test – Deficiency TestingBeresford2,359Selenium Urine Test – Deficiency TestingFlandreau2,298Selenium Urine Test – Deficiency TestingElk Point2,248Selenium Urine Test – Deficiency TestingNorth Spearfish2,198Selenium Urine Test – Deficiency TestingRedfield2,160Selenium Urine Test – Deficiency TestingVolga2,146Selenium Urine Test – Deficiency TestingSpringfield2,108Selenium Urine Test – Deficiency TestingCuster2,067Selenium Urine Test – Deficiency TestingRosebud1,994Selenium Urine Test – Deficiency TestingWebster1,772Selenium Urine Test – Deficiency TestingParkston1,761Selenium Urine Test – Deficiency TestingNorth Eagle Butte1,731Selenium Urine Test – Deficiency TestingFreeman1,711Selenium Urine Test – Deficiency TestingGroton1,641Selenium Urine Test – Deficiency TestingWagner1,533Selenium Urine Test – Deficiency TestingGettysburg1,464Selenium Urine Test – Deficiency TestingEagle Butte1,421Selenium Urine Test – Deficiency TestingKyle1,398Selenium Urine Test – Deficiency TestingClear Lake1,396Selenium Urine Test – Deficiency TestingGarretson1,367Selenium Urine Test – Deficiency TestingCrooks1,365Selenium Urine Test – Deficiency TestingAurora1,339Selenium Urine Test – Deficiency TestingMiller1,338Selenium Urine Test – Deficiency Testing