McKesson Micro-Hematocrit Capillary Blood Collection Tubes - 75µL, Plain Glass, Blue Coded (177-51602)

Precision Micro-Hematocrit Capillary Blood Collection Tubes for Accurate Hematocrit Determinations

The McKesson Micro-Hematocrit Capillary Blood Collection Tubes deliver exceptional accuracy and reliability for both safe capillary blood collection and precise micro-hematocrit determinations in clinical laboratories, hospital hematology departments, physician office labs, point-of-care testing facilities, and pediatric care settings. Engineered from precision-molded soda lime glass with color-coded identification, these professional-grade capillary tubes ensure consistent specimen integrity and reproducible hematocrit results across diverse testing environments.

Advanced Design and Construction Features

• Precision-Molded Soda Lime Glass: Manufactured from high-quality soda lime glass using precision molding techniques that ensure uniform wall thickness, consistent internal diameter, and exceptional dimensional accuracy for reliable hematocrit measurements
• Optimal 75 µL Volume Capacity: Precisely calibrated to hold 75 microliters of whole blood, providing the ideal sample volume for micro-hematocrit centrifugation and analysis while minimizing patient blood loss during capillary collection
• Standard 1.1 x 75 mm Dimensions: Universal sizing (1.1 mm internal diameter x 75 mm length) ensures compatibility with all standard micro-hematocrit centrifuges, readers, and laboratory equipment without requiring adapters or modifications
• Blue Color-Coded Stripe: Distinctive blue stripe marking clearly differentiates plain (untreated) tubes from heparinized tubes, preventing specimen mix-ups and ensuring proper tube selection for specific testing protocols
• Plain Untreated Glass Surface: Non-additive plain glass construction is specifically designed for collecting anti-coagulated blood specimens from venous blood collection tubes, eliminating the risk of double anticoagulation that could affect test results

Superior Sample Collection and Retention

The precision-molded glass construction provides excellent capillary action for rapid blood filling without requiring excessive pressure or manipulation that could compromise specimen integrity. The smooth, uniform internal surface promotes consistent blood flow and prevents hemolysis during collection. The robust glass material provides superior sample retention during high-speed centrifugation, preventing tube breakage, sample leakage, or result compromise even at maximum centrifuge speeds.

High-Speed Centrifugation Performance

Engineered to withstand centrifugation at speeds up to 14,500 RPM (Relative Centrifugal Force rating), these capillary tubes maintain structural integrity throughout the entire centrifugation cycle. The precision glass construction ensures the tube remains intact during rapid acceleration, sustained high-speed rotation, and deceleration phases, providing reliable hematocrit separation and accurate packed cell volume measurements. The consistent wall thickness prevents tube deformation or collapse that could compromise result accuracy.

Rapid Fill Technology

The optimized internal diameter and smooth glass surface enable rapid capillary filling without affecting specimen integrity or causing hemolysis. Blood specimens flow smoothly into the tube through capillary action, eliminating the need for forceful aspiration or excessive manipulation. This gentle filling process preserves red blood cell morphology, prevents platelet activation, and maintains specimen quality for accurate hematocrit determinations and potential follow-up testing.

Clinical Applications and Testing Protocols

Essential for hematocrit testing in anemia screening, polycythemia evaluation, dehydration assessment, blood transfusion monitoring, and routine complete blood count (CBC) verification. Ideal for pediatric and neonatal testing where minimal blood volume requirements are critical. Perfect for point-of-care hematocrit testing in emergency departments, urgent care centers, surgical suites, and field medical operations where rapid results are essential for clinical decision-making.

Latex-Free Safe Construction

Not made with natural rubber latex, ensuring safe use for patients and laboratory personnel with latex allergies or sensitivities. The latex-free construction supports inclusive healthcare practices and eliminates the risk of latex-induced allergic reactions during specimen collection and processing. This safety feature is particularly important in pediatric settings and facilities serving populations with high latex sensitivity prevalence.

Quality Control and Standardization

The precision manufacturing process ensures consistent tube dimensions, uniform glass thickness, and reliable performance across all production batches. This consistency supports rigorous quality control protocols, proficiency testing programs, and laboratory accreditation requirements. The standardized design facilitates method validation, establishes reference ranges, and enables meaningful comparison of hematocrit results across different testing sessions and laboratory locations.

Convenient High-Volume Packaging

Packaged in laboratory-friendly format with 100 tubes per vial and 10 vials per box, providing 1,000 tubes per box for high-volume testing facilities. The multi-vial packaging protects tubes during storage and handling while allowing convenient dispensing of smaller quantities for daily laboratory use. The organized packaging system simplifies inventory management and ensures tubes remain clean and protected until use.

Cost-Effective Laboratory Solution

The non-sterile format provides economical pricing for routine hematocrit testing where sterility is not required, reducing per-test costs while maintaining the same high-quality glass construction and performance characteristics. The bulk packaging further enhances value for high-volume laboratories, making this an ideal choice for facilities performing frequent hematocrit determinations.

Bulk Ordering for Clinical Laboratories

Available in wholesale quantities with volume pricing for hospital laboratories, reference laboratories, physician office labs, urgent care facilities, pediatric clinics, veterinary diagnostic labs, and institutional buyers. Streamline your supply chain with auto-reorder options, promotional discounts (5% off with auto-reorder), and dedicated account support to ensure consistent availability for your hematocrit testing needs. FSA/HSA eligible for individual purchasers and small laboratory operations.