Helpful tips

What is sodium citrate tube used for?

What is sodium citrate tube used for?

The U.S. Food and Drug Administration (FDA) is aware the U.S. is experiencing significant interruptions in the supply of sodium citrate blood specimen collection tubes, also known as light blue top tubes (hereafter “sodium citrate tubes”), used for coagulation (blood clotting) testing because of an increase in demand …

Why is there a shortage of sodium citrate tubes?

The shortages of these tubes have occurred due to several recalls, along with unprecedented levels of demand for citrate products following surges in COVID-19 infection rates, COVID-19 vaccines, and treatment development.

Which tube has sodium citrate?

Blue top tube – Sodium Citrate (NaCitrate) This tube is primarily used for coagulation studies (PT and PTT). Complete filing of this tube is essential to obtain accurate results.

How do you fill a sodium citrate tube?

Assemble needle in holder; always fully seat and hold a citrate tube on the back end of the needle while filling. Allow the tube to fill until the vacuum is exhausted and blood flow ceases. Tubes should fill between £10% of the stated draw volume of the tube (CLSI guideline, Dec. 2003, Doc.

How does sodium citrate work?

It works by neutralizing excess acid in the blood and urine. It has been indicated for the treatment of metabolic acidosis.

What color tube is used for sodium level test?


Red No additive 7.0 mL
Light Blue 3.2% Sodium Citrate 4.5 mL
Gold Top (Serum Separator, “SST”) Contains separating gel and clot activator 6.0 mL
Light Blue – Yellow Label on Tube Thrombin 2.0 mL

Why is there a blue top shortage?

The U.S. Food and Drug Administration (FDA) is aware that the U.S. is experiencing significant interruptions in the supply of sodium citrate blood specimen collection (light blue top) tubes because of an increase in demand during the COVID-19 public health emergency and recent vendor supply challenges.

What color is EDTA tube?


Green Sodium heparin(100 USP Units) Ammonia, Lactate, HLA Typing
Tan K2 EDTA Lead levels
Yellow ACD Solution A consists of trisodium citrate, citric acid and dextrose DNA Studies, HIV Cultures
Pink (K2)EDTA Blood type & Screen, Compatibility Study, Direct Coombs HIV Viral Load

What color tube is used for drug test?

Submit full, unopened gray-top tube for analysis of volatiles. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel.

Do you spin sodium citrate tubes?

CLSI recommends that sodium citrate tubes be spun at 1500 RCF for 15 minutes to achieve platelet poor plasma (platelet count < 10, 000) and accurate coagulation test results.

What does sodium citrate do to blood?

Background: Sodium citrate has been used as an anticoagulant to stabilize blood and blood products for over 100 years, presumably by sequestering Ca(++) ions in vitro. Anticoagulation of blood without chelation can be achieved by inhibition of the contact pathway by corn trypsin inhibitor (CTI).

Is sodium citrate safe to drink?

You should not take citric acid, potassium citrate, and sodium citrate tablets if you have problems with your esophagus, stomach, or intestines that make it difficult for you to swallow or digest pills. If you have certain conditions, you may need a dose adjustment or special tests to safely take this medication.

What is tube color contains sodium citrate?

a light blue tube contains. sodium citrate. royal blue tubes may contain. anticoagulants, clot activator, no additives. a gray stoppered tube contains. sodium fluoride, potassium oxalate. the anti coagulant in a gray stoppered tube is. potassium oxalate. the antiglycolytic agent in a gray stoppered tube is.

What is the effect of sodium citrate on blood?

Sodium citrate anticoagulant in blood products binds ionized calcium and in high volume transfusions, especially of fresh frozen plasma, may result in transient hypocalcemia. Metabolism of citrate produces bicarbonate that may result in alkalosis and subsequent hypokalemia.

What is sodium citrate used for in blood?

Citrate, in the form of sodium citrate or acid-citrate-dextrose, is used to disrupt the coagulation cascade and prevent clotting. These citrate compounds bind to the calcium in the blood.

What is a citrate tube?

Citrate is a reversible anticoagulant, and these tubes are used for coagulation assays. Because the liquid citrate dilutes the blood, it is important the tube is full so the dilution is properly accounted for.