Pathlab Order of Draw and Inversion Chart

Vocabulary flashcards reviewing blood collection tube colors, additives, clinical tests/departments, and recommended inversions based on the Pathlab Order of Draw and Inversion Chart (Revised 2024).

Sterile Blood Culture Bottles

The first blood collection containers in the order of draw, containing sterile media for microbiology blood cultures, requiring 5-8 inversions.

Sodium Citrate Tube (Light Blue)

A collection tube containing sodium citrate additive used for INR and coagulation testing, requiring 3-5 inversions.

CPDA (Yellow Tube)

A tube containing Citrate Phosphate Dextrose Adenine additive used for tissue typing, requiring 8-10 inversions.

Plain / Clot Activator Tube (Red)

A blood tube containing plain clot activator used for testing some drug levels, requiring 8-10 inversions.

SST II (Gold Tube)

A tube containing a clot activator with silica and thixotropic gel used for biochemistry and immunology tests, requiring 6-8 inversions.

Lithium Heparin Tube (Green)

A collection tube containing lithium heparin additive used for chromosome study tests, requiring 8-10 inversions.

K2EDTA Trace Metals Tube (Royal Blue)

A tube containing potassium ethylene diamine tetra acetic acid (K2EDTA) used for trace metals analysis, requiring 8-10 inversions.

K2EDTA Haematology Tube (Lavender)

A tube containing ethylene diamine tetra acetic acid (K2EDTA) used for haematology and HbA1C testing, requiring 8-10 inversions.

K2EDTA Transfusion Lab Tube (Pink)

A tube containing ethylene diamine tetra acetic acid (K2EDTA) designated specifically for the transfusion lab, requiring 8-10 inversions.

Streck Cell Free DNA BCT

A specialized blood collection tube used for NIPT/Illumi testing, requiring 8-10 inversions.

Potassium Oxalate + Sodium Fluoride Tube (Grey)

A tube containing potassium oxalate and sodium fluoride additives used for glucose testing, requiring 8-10 inversions.

Quantiferon Gold

A specialized four-tube collection system used for detecting TB (Mycobacterium TB), requiring 10 inversions.

ThromboExact Tube Pseudothrombocytopenie S-Monovette

A specialized collection tube used to evaluate platelet clumping and pseudothrombocytopenia, requiring 8-10 inversions.