Is SST A Gel Barrier Tube?

What is the purpose of an Antiglycolytic agent?

There are a series of other agents used in conjunction with or without the anticoagulant.

They are antiglycolytic agents, clot activators, and thixotropic gel separators.

The antiglycolytic agent is a substance that inhibits glycolysis or metabolism of glucose by the cells of the blood..

Why serum is used instead of plasma?

In general, serum samples (red top tubes) are preferred for chemistry testing. … For example, LDH, potassium and phosphate are higher in serum than plasma, because of release of these constituents from cells during clotting. Protein and globulins are higher in plasma than serum, because plasma contains fibrinogen.

What does SST tube test for?

Serum Separator Tube (SST®) for serum determinations in chemistry and serology. Contains separator gel and should not be used for toxicology or drug testing. Inversions ensure mixing of clot activator with blood. Blood clotting time 30 minutes.

How do you process a SST tube?

SERUMPerform venipuncture as with any other blood collection device.Invert the tube gently no more than eight times. … Do not remove the stopper at any time. … Centrifuge for at least 15 minutes at 2200-2500 RPM within one hour of collection.Transfer the serum to a plastic screw-cap vial for transport to the laboratory.

Why does blood clot in tube?

The top three causes of clotted samples are: 1. Leaving blood in a syringe too long before placing in tubes- syringes have no anticoagulant in them. When blood is drawn from a vein or a line, coagulation begins almost immediately.

What is the purple top tube used for?

Lavender top tube – EDTA EDTA is the anticoagulant used for most hematology procedures. Its primary use is for the CBC and individual components of the CBC. The larger 6 mL tube is used for blood bank procedures.

What is a tiger top tube used for?

This tube is used for collecting serum or clotted whole blood specimens. Tiger-top tube (serum separator): Tube does not contain an anticoagulant but does contain a clot activator and serum separator gel. This tube is used for collecting serum.

Is a tiger top a gel barrier tube?

Tiger-top tube (serum separator): Tube does not contain an anticoagulant but does contain a clot activator and serum separator gel. This tube is used for collecting serum. … These tubes are used for preparing whole blood or serum for trace element studies.

Do you spin lavender tubes?

Note: After tube has been filled with blood, immediately invert tube several times in order to prevent coagulation. Lavender-Top (EDTA) Tube : This tube contains EDTA as an anticoagulant—used for most hematological procedures and Blood Bank testing.

How long can blood sit in tubes?

Whole blood can be stored at 4–8°C for up to 24 hours before the serum is separated, but it must not be frozen. Whole blood should be allowed to clot and then centrifuged at 1000 × gravitational units (g) for 10 minutes to separate the serum.

What color is the SST tube?

PHLEBOTOMY SERVICESSTOPPER COLORCONTENTSVOL.RedNo additive7.0 mLLight Blue3.2% Sodium Citrate4.5 mLGold Top (Serum Separator, “SST”)Contains separating gel and clot activator6.0 mLLight Blue – Yellow Label on TubeThrombin2.0 mL8 more rows•Jan 31, 2019

What should happen to all tubes containing an additive after successful blood draw?

If the tube contains an additive, invert it gently several times after removal to mix the blood and additive. Additional mixing can be performed while other tubes are filling. This prevents blood from clotting.

Why do we clot before centrifuge?

When processing blood for serum, manufacturers of evacuated collection tubes often recommend a period of time to allow the blood to clot prior to centrifugation. … This may result in decreased blood glucose levels and the tendency of components from within the blood cells to leach into the serum.

What color is a gel barrier tube?

Gel-barrier (mottled red/gray, gold, or cherry red-top) tubes contain clot activator and gel for separating serum from cells but include no anticoagulant. Adhere to the following steps when using a gel-barrier tube.

What is the purpose of the gel in the bottom of the SST tube?

What is the purpose of the gel in BD Vacutainer SST and PST tubes? The gel forms a physical barrier between serum or plasma and blood cells during centrifugation.

What is a gold SST blood test for?

Gold-top serum separator tube (SST) This tube contains a clot activator and serum gel separator – used for various chemistry, serology, and immunology tests.

What blood tube colors are for which test?

The tests each bottle is used for are the same: the purple one is for cell count, the yellow one is for electrolytes, albumin and LDH, the grey one is for glucose, and blood culture bottles can be used for fluid cultures.

Do you centrifuge red top tubes?

DO allow red top tubes to clot in an upright position at room temperature for 60 minutes, gold top for 30 minutes. Centrifuge for the preprogrammed time or 10 minutes for red or gold top tubes, 10 minutes for green, and 15 minutes for BD Blue top tubes.

How long can an SST sit unspun?

Specimen stability: Unspun whole blood (room temperature): 2 hrs. Spun SST: Refrigerated: 3 days. Spun PST: Refrigerated: 12 hours.

What is the gel in SST tube?

SST tubes contain spray-coated silica and a polymer gel for serum separation. They use for serum determinations in chemistry, serology, immunology and HIV tests [1]. Serum separator gel that is located at end of the tube plays the role of a stable chemical and physical barrier between serum and blood clot [7].

How much serum is in a SST tube?

Collection Tubes for Blood SpecimensGold or Red-Gray Marble Stopper (two-types) – SST, Serum Separator TubeAdditive:Polymer gel and powdered glass clot activatorSpecimen Type:SerumDraw Amount:5.0 mL/8.5 mLInversions:53 more rows