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South · Online Liver Function Test (LFT Test)

Online Liver Function Test (LFT Test) in Texas

Online Liver Function Test (LFT Test) can be ordered without a referral from your own doctor, and this guide covers what to expect. A liver function test checks how well your liver is working by measuring several substances in your blood.

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

Lab requirements in Texas

Here is what you need before ordering and completing the Online Liver Function Test (LFT Test) in TX. 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
Fasting is required for this test — follow the collection lab's instructions.
Preparation
Preparation instructions vary by laboratory, so follow the specific instructions provided by the collection lab. Some tests may require fasting, while others do not.
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

A liver function test is a group of blood tests that assess the health and function of your liver. It measures levels of enzymes, proteins, and other substances that can indicate liver damage or disease.

What it measures

  • Albumin — a protein made by the liver that reflects liver function and nutritional status
  • Total Protein — measures the total amount of proteins in the blood, including albumin and globulins
  • ALP (Alkaline Phosphatase) — an enzyme found in the liver, bile ducts, and bone
  • ALT (Alanine Aminotransferase) — an enzyme primarily found in the liver that can indicate liver damage
  • AST (Aspartate Aminotransferase) — an enzyme found in the liver and other tissues that can indicate liver damage
  • Bilirubin — a yellow pigment produced from the breakdown of red blood cells that is processed by the liver

What the test involves

The test requires a standard blood draw from a vein in your arm. The sample is then sent to a laboratory for analysis.

Why it is often ordered

A clinician may order a liver function test to screen for liver problems, monitor a known liver condition, or check for side effects of certain medications. It can also help evaluate symptoms like jaundice, fatigue, or abdominal pain.

Preparation

Preparation instructions vary by laboratory, so follow the specific instructions provided by the collection lab. Some tests may require fasting, while others do not.

How results are reported

Results are typically reported as numerical values for each marker, often with a reference range for comparison. Reference ranges can vary between laboratories, so your results should be interpreted by a healthcare professional.

Before you go

  • Whether fasting is required before the test
  • Any medications or supplements you are taking that might affect results
  • The expected turnaround time for results

Cities

Online Liver Function Test (LFT Test) in Texas communities

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

Dallas5,668,165Online Liver Function Test (LFT Test)Houston5,650,910Online Liver Function Test (LFT Test)San Antonio1,910,785Online Liver Function Test (LFT Test)Austin1,659,251Online Liver Function Test (LFT Test)Fort Worth908,469Online Liver Function Test (LFT Test)McAllen809,002Online Liver Function Test (LFT Test)El Paso794,344Online Liver Function Test (LFT Test)Denton445,814Online Liver Function Test (LFT Test)Arlington392,304Online Liver Function Test (LFT Test)Corpus Christi333,764Online Liver Function Test (LFT Test)The Woodlands292,380Online Liver Function Test (LFT Test)Plano282,181Online Liver Function Test (LFT Test)Lubbock259,946Online Liver Function Test (LFT Test)Laredo256,748Online Liver Function Test (LFT Test)Irving254,184Online Liver Function Test (LFT Test)McKinney248,840Online Liver Function Test (LFT Test)Garland245,075Online Liver Function Test (LFT Test)Killeen238,288Online Liver Function Test (LFT Test)Brownsville235,735Online Liver Function Test (LFT Test)College Station207,514Online Liver Function Test (LFT Test)Amarillo204,357Online Liver Function Test (LFT Test)Grand Prairie195,992Online Liver Function Test (LFT Test)Frisco193,140Online Liver Function Test (LFT Test)Waco187,172Online Liver Function Test (LFT Test)Port Arthur156,988Online Liver Function Test (LFT Test)Pasadena151,964Online Liver Function Test (LFT Test)Mesquite149,848Online Liver Function Test (LFT Test)Harlingen148,545Online Liver Function Test (LFT Test)Tyler143,895Online Liver Function Test (LFT Test)Beaumont137,549Online Liver Function Test (LFT Test)Odessa134,793Online Liver Function Test (LFT Test)Carrollton131,388Online Liver Function Test (LFT Test)Midland130,765Online Liver Function Test (LFT Test)Abilene125,474Online Liver Function Test (LFT Test)Pearland122,609Online Liver Function Test (LFT Test)Texas City122,017Online Liver Function Test (LFT Test)Round Rock117,735Online Liver Function Test (LFT Test)Richardson115,904Online Liver Function Test (LFT Test)Temple115,809Online Liver Function Test (LFT Test)League City111,847Online Liver Function Test (LFT Test)Sugar Land110,272Online Liver Function Test (LFT Test)Lewisville110,077Online Liver Function Test (LFT Test)Allen102,778Online Liver Function Test (LFT Test)Wichita Falls102,563Online Liver Function Test (LFT Test)San Angelo100,330Online Liver Function Test (LFT Test)Edinburg98,759Online Liver Function Test (LFT Test)Longview98,075Online Liver Function Test (LFT Test)Conroe87,930Online Liver Function Test (LFT Test)New Braunfels87,549Online Liver Function Test (LFT Test)Mission85,311Online Liver Function Test (LFT Test)Bryan85,204Online Liver Function Test (LFT Test)Atascocita84,222Online Liver Function Test (LFT Test)Baytown82,543Online Liver Function Test (LFT Test)Texarkana79,304Online Liver Function Test (LFT Test)Pharr78,997Online Liver Function Test (LFT Test)Flower Mound75,050Online Liver Function Test (LFT Test)Cedar Park74,741Online Liver Function Test (LFT Test)Missouri City73,682Online Liver Function Test (LFT Test)Lake Jackson73,478Online Liver Function Test (LFT Test)Mansfield71,375Online Liver Function Test (LFT Test)