Quick Answer: What Is A Purple Blood Test For?

What tests are red top tubes used for?

The larger (6ml) tube is used for blood bank procedures.

Red-Top Tube – This tube has no anticoagulant and is used for many chemistry tests, drug levels, and blood bank procedures..

What is tested in full blood count?

A complete blood count (CBC) is a blood test used to evaluate your overall health and detect a wide range of disorders, including anemia, infection and leukemia. A complete blood count test measures several components and features of your blood, including: Red blood cells, which carry oxygen.

What is the correct order of blood draw?

The correct order of draw follows: Blood culture tube or bottle. Sodium citrate tube (eg, blue closure) Serum tubes, including those with clot activator and gels (eg, red, red-speckled, gold closures)

What color tube is used for syphilis?

SYPHILIS SCREEN WITH CONFIRMATIONORDERING INFORMATION:Preferred collection container:3.5 mL gold-top (serum separator) tubeSpecimen required:One full 3.5 mL gold-top serum separator tube (preferred).SPECIMEN PROCESSING16 more rows•Nov 13, 2018

What blood tube colors are for which test?

Tube cap colorAdditiveCommon laboratory testsGreenSodium or lithium heparin with or without gelStat and routine chemistryLavender or pinkPotassium EDTAHematology and blood bankGraySodium fluoride, and sodium or potassium oxalateGlucose (especially when testing will be delayed), blood alcohol, lactic acid2 more rows

What is a Gold blood test for?

This is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection and tuberculosis disease. The test is only available after discussion with a Consultant Microbiologist.