About Lab Tests Online

Lab Tests Online is an award-winning health information web resource designed to help patients and caregivers understand the many lab tests that are a vital part of medical care. Laboratory and medical professionals, who are experts in the field, develop and review all content, including articles on lab tests, conditions/diseases, screening, clinical laboratory topics, and lab test news. The site is produced by AACC, a global scientific and medical professional organization dedicated to clinical laboratory science and its application to healthcare. Learn more.

Topics in the News

On the Horizon: Study Suggests Blood Test May Predict Response to Antidepressants

August 3, 2016

Woman sitting looking sadBritish researchers have developed a blood test that may be able to predict whether patients dealing with depression will respond to common drugs used to treat the condition. About half of all patients dealing with clinical depression don't respond to commonly used antidepressants and a third don't respond to any of the drugs, making it necessary for healthcare practitioners to try different combinations over time while patients remain without effective treatment. Photo source: National Cancer Institute

CDC: Cases of Legionnaires Disease on the Rise in U.S.

July 29, 2016

Xray image of chestCases of Legionnaires disease, a serious, often fatal form of pneumonia, nearly quadrupled from 2000 to 2014, according to a recent report from the CDC. The most common source of recent outbreaks was potable (drinkable) water used for common purposes, such as showering, followed by cooling towers, hot tubs, and decorative fountains. Photo source: CDC, Betty Partin

FDA Approves First ‘Liquid Biopsy’ to Guide Treatment of Cancer

July 15, 2016

DNA diagramThe FDA has approved the first blood-based genetic test to guide the treatment of a common type of lung cancer called non-small cell lung cancer (NSCLC). The test is less invasive, requiring only a blood draw instead of a traditional tissue biopsy, and detects mutations that could indicate that the tumor is more likely to respond to the drug erlotinib. Photo source: NHGRI, Ernesto del Aguila III

right features top
Use the search box and menus
below to quickly navigate
Lab Tests Online
right features bottom

Follow Us

left features top

Our Commitment


We comply with the HONCode Standard for trustworthy health information.
Verify compliance.

left features bottom
left features top

Get the Mobile App

LTO mobile app button

Mobile app for

left features bottom
left features top

LTO Stat

Head Injury Screening
August 22, 2016
New computer software approved to test after traumatic head injury.

Cancer Prediction
August 15, 2016
Study finds number of mutations in certain genes helps predict cancer onset.

left features bottom

Site Sponsors

  • roche.jpg
  • abbott.jpg
  • PCSlogo_2.jpg
  • BioRadlogo2013.jpg
  • FDIlogo.gif
  • sysmex.gif
  • PAML-logo.png
  • Wako Diagnostics Logo

Collaborating Partners

  • AACCLogo
  • logo ascls
  • american_society_for_microbiology.jpg
  • CLMA Logo CMYKw NAME2pms7462
  • ash_logo.gif
  • AMP
  • ascp.jpg
  • CAP new
  • CSMLSofficiallogo160p.jpg
  • cscc.jpg
  • clinical_and_lab.jpg
  • nacb.jpg
  • joint_commission.jpg
  • aphl.jpg
  • aabb.jpg
  • LOGO new PT 50pixdeep
  • Endocrine Society Logo 4C
  • logo cola2