Tests and Tubes Flashcards
What is the red tiger top tube known for?
SST - serum separator tube
What is the green tiger top known as?
PST - plasma separator tube
What is PTT test? What is it used for?
Partial thromboplastin time test. Heparin test. Coagulation
What is a PT test? What is it used for ? What tube is used?
Prothrombin time test. Liver test. Light blue top
HbA1c test? What is it for ?
Glucose test
What tubes check Chem 7? What is another name for it?
Gold, orange, red, red tiger top. Serum tubes. Checks for basic metabolic panel.
What does BUN stand for? What does it measure?
Blood Urea Nitrogen. Kidney function
What does creatinine test?
Protein in blood. Can indicate kidney dysfunction or MS
Why do we need potassium?
Need for muscles and heart
Why do we need sodium?
Kidney function/water
What does K2E EDTA stand for?
Dipotassium salt
What is K3E EDTA?
Tripotassium salt
What is N2E EDTA?
Disodium salt
Red top
Additive
Type
Used for
Test
- Clot activator
- Clot tube
- Obtaining serum
- Crossmatch
Red tiger top or gold
Additive
Type
Use
Test
- Clot activator; separation gel
- Clot tube
- Serum tube
- Thyroid testing
Orange top
Additive
Type
Use
Notes
- Thrombin based clot activator. Some separation gel
- Clot tube
- Obtaining serum
- Thrombin activated platelets
Green top
Additive
Type
Use
Tests
- Sodium or lithium heparin
- Anti coagulant
- Plasma chemistry, electrolytes
- Lactate test
Order of draw
- Yellow SPS
- Light blue
- Gold, red, red tiger top, orange
- Green and green tiger top
- Lavender and purple
- White
- Gray
- All others
Green tiger top
Additive
Type
Use
- Lithium heparin; separation gel
- Anti-coagulation separation tube
- Obtaining plasma
Lavender and purple tops
Additive
Type
Use
Notes
- K3Edta and K2Edta
- Anticoagulant
- CBC
- Lavender is glass tube; purple is plastic tube
Light blue top
Additive Type Use Tests Notes
- Sodium citrate
- Reversible anti-coagulation
- Coagulation testing, plasma
- PT, PTT, fibrogen, PT/INR
- Protects all procoagulants, partially filled damages cells. Use discard tube
Yellow top SPS
Type
Use
Diagnoses
Notes
- Anticoagulant
- Blood cultures
- Septicism
- Aerobic then anarobic
Yellow top ACD
Use
- DNA testing
Black top
Type
Use
- Anticoagulant
2. Westergren Sedimentation rate
Tan top
Additive
Use
- K2EDTA
2. Lead level testing
White top
Additive
Notes
- K2edta separation gel
2. Plasma based testing on proteins
Pink top
Use
Notes
- Immuno hematology
4. Blood typing
Gray top
Additive
Use
Notes
1. Sodium flouride and potassium oxalate Sodium flouride and na2edta Sodium flouride 3. Plasma glucose testing 4. Preserves glucose 1-5 days. Hemolysis in partially filled tubes
Royal blue top
Additive
Type
Use
- K2edta or clot activator
- Low trace element testing
- Trace metal analysis
What tubes are discard tubes?
Clear, light gray, red tiger top, red
What is an erythrocyte
Red blood cell
How many times to invert light blue tube?
3-4 times
How many times to invert serum tubes?
5-6 times
What is CBCc
With differential. Breaks down white blood cells into categories.
What is CBCs?
Without differential. Checks all white blood cells as a whole.