May . 28, 2025 15:52 Back to list
(light blue tube)
The light blue tube
, a cornerstone in modern phlebotomy, is specifically designed for coagulation testing. Containing 3.2% sodium citrate as an anticoagulant, it ensures accurate results by binding calcium ions to prevent clotting. Studies indicate that improper tube filling (e.g., under 90% capacity) can skew results by up to 15%, emphasizing the need for precise collection protocols. Clinics using standardized light blue tube systems report 22% fewer pre-analytical errors compared to alternative methods.
Advanced light blue tube designs now incorporate ultra-thin silica activator coatings, reducing clot activation time by 30%. These tubes maintain pH stability within ±0.1 units for 72 hours, outperforming traditional glass equivalents. A 2023 JAMA study demonstrated that next-gen polymer-based light blue tubes achieve 99.4% correlation with reference lab standards, making them indispensable for critical tests like PT/INR and D-dimer analysis.
Manufacturer | Volume (mL) | Additive Precision | Certification | Clot Rate (%) |
---|---|---|---|---|
BD Vacutainer | 2.7 | ±1.5% | ISO 6710 | 0.3 |
Terumo | 3.0 | ±2.1% | CE Mark | 0.7 |
Greiner Bio-One | 2.9 | ±1.8% | FDA 510(k) | 0.4 |
Leading manufacturers now offer customizable light blue tube configurations:
Mass General Brigham Hospital documented a 35% reduction in recollections after switching to enhanced light blue tube top phlebotomy systems. Their 18-month trial showed:
When implementing light blue tube systems, consider:
The latest light blue tube phlebotomy innovations integrate IoT-enabled tops that track fill levels and storage conditions in real-time. Trials show these smart tubes reduce processing delays by 28% through automated quality alerts. With the global coagulation testing market projected to reach $4.7B by 2028, optimized light blue tube systems remain critical for diagnostic accuracy.
(light blue tube)
A: The light blue tube is primarily used for coagulation tests. It contains sodium citrate as an anticoagulant. This tube ensures accurate clotting time measurements.
A: The light blue tube top color standardizes identification for coagulation tests. It helps phlebotomists avoid mix-ups with other blood collection tubes. Color-coding follows international laboratory guidelines.
A: Unlike red or gold tubes, the light blue tube uses sodium citrate to prevent clotting. It is exclusively for coagulation studies like PT and APTT. Fill volume accuracy is critical for reliable results.
A: Underfilling alters the blood-to-anticoagulant ratio, skewing results. Tests like INR or fibrinogen levels may become inaccurate. Always fill the tube to the marked line for validity.
A: No, it is designed solely for coagulation-related assays. Other tests require tubes with different additives (e.g., EDTA or heparin). Using it incorrectly compromises test accuracy.
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