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Subfolder: | COLLECTION | Effective on: | 2022-03-07 |\n\nQuick Reference for Laboratory Tests and Collection Tubes  \n| Tube Top Colour in Order of Draw | Tube Top Colour\u003Cbr>(Additive) | Examples of Common Tests\u003Cbr>For tests not listed or detailed test information consult the\u003Cbr>Sample Collection and Dispatch Manual on the FH Intranet |  |  |  |  |  | Gently\u003Cbr>Invert\u003Cbr>tubes |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| | Blood Culture Bottle | Blood Cultures -NO discard (8-10 mL in each bottle) |  |  |  |  |  | 0 |\n| | Clear cap\u003Cbr>(No additive) | Used as a discard tube\u003Cbr>􀁸 For CVCs: discard 6mL for all samples\u003Cbr>􀁸 Coagulation studies: discard 10mL |  |  |  |  |  | 0 |\n| | Light Blue\u003Cbr>(Sodium citrate) | INR\u003Cbr>PTT | D-Dimer\u003Cbr>Fibrinogen |  |  | Coagulation studies |  | 3-4 |\n| | Red\u003Cbr>(Clot activator) | Therapeutic Drug Monitoring |  |  |  |  |  | 5 |\n| | Gold (SST)\u003Cbr>(Gel w ith clot activator) | B-12 Cortisol | Protein electrophoresis Immunoglobulins |  | PSA\u003Cbr>Tumor Markers |  |  | 5 |\n| | ABG Syringe | Blood Gas Syringe (Heparin Syringe) |  |  |  |  |  | Roll 10 times |\n| | Green (PST) Lithium heparin & gel | Ammonia (on ice) Antibiotic levels β-hydroxybutyrate Bilirubin Creatinine C Reactive Protein |  | Digoxin Electrolytes Glucose Ferritin\u003Cbr>Iron\u003Cbr>Lactate (on ice) | Lipase\u003Cbr>Lipids\u003Cbr>Liver Function Tests Osmolality Magnesium Phosphate (PO4) |  | Protein / Total Protein Troponin\u003Cbr>Salicylate\u003Cbr>TSH and T3 & T4 Urea\u003Cbr>Uric Acid | 8 |\n| | Purple/Lavender (EDTA) 3mL or 4 mL or 6 mL | ACTH (on ice) BNP\u003Cbr>CBC\u003Cbr>CD4/CD8 | Hemoglobinopathy HBA1CKleihauer\u003Cbr>PTH (on ice) |  | Group & Screen /Cross-match (6mL tube)\u003Cbr>**must have handw ritten Hospital identification \\#(including letter prefix and zeros), date, time and printed user ID of collector on label** |  |  | 8 |\n\nNote: For order instruction, refer to Sample Collection and Dispatch Manual on the Pulse.  \n\n| Written by: | Devena Steinmann | Approved by (sign. ): |  |\n| --- | --- | --- | --- |\n| Reviewed by: | Devena Steinmann |  |  |\n| Reviewed on: | 2018-08-10 | Approved by (name): | Richard Cleve |\n| Renewed by: | Micah Bertoli | Approved on: | 2018-08-10 |\n| Renewed on: 2022-03-07 Revision Date: 2026-03-07\u003Cbr>Documents used outside of OMNI are uncontrolled. |  |  |  |","cbCaiqTJo2ibunGr","https://ap.wps.com/l/cbCaiqTJo2ibunGr","pdf",184384,"English","# Tube top colours and additives\n## Blood culture and discard tube guidance\n## Coagulation-related tubes and tests\n## Therapeutic drug monitoring and tumor markers\n## Blood gas, electrolyte, and metabolic testing tubes\n## EDTA and special handling requirements","[{\"question\":\"How should blood collection tubes be handled during specimen collection?\",\"answer\":\"The guide includes handling instructions such as gently inverting certain tubes and following the specified order of draw for tube top colours.\"},{\"question\":\"Which tube top colours correspond to common coagulation tests?\",\"answer\":\"It maps light blue (sodium citrate) to coagulation studies such as INR and PTT, and includes D-Dimer and Fibrinogen under the same tube/additive guidance.\"},{\"question\":\"What special labeling requirement applies to Group \\u0026 Screen/Cross-match?\",\"answer\":\"For Group \\u0026 Screen/Cross-match (6 mL tube), the label must include handwritten hospital identification (including letter prefix and zeros), date, time, and the printed user ID of the collector.\"}]","Quick Reference to Laboratory Tests and Tubes | PDF",1791937233]