Home Sample Collection BD
Trusted Home Sample Collection Service in Bangladesh. Expert phlebotomists, safe collection and fast reporting BD.
We collaborate with Popular, Imperial, Thyrocare and other diagnostic centers to provide blood, urine, stool and lab tests at your doorstep.
21/05/2026
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20/05/2026
15/05/2026
đŦ Proper Quality Control in Manual Laboratory Testing
Manual Laboratory Testing-āĻ āĻā§āĻāĻžāĻŦā§ āϏāĻ āĻŋāĻ Quality Control āĻŦāĻāĻžā§ āϰāĻžāĻāĻŦā§āύ?
āϝāĻžāϰāĻž Manual Laboratory Testing āĻāϰā§āύ, āϤāĻžāĻĻā§āϰ āĻāύā§āϝ āϏāĻŦāĻā§ā§ā§ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻŦāĻŋāώ⧠āĻšāϞ⧠Proper Quality Control (QC)āĨ¤ āĻāĻžāϰāĻŖ Automated Analyzer-āĻāϰ āĻŽāϤ⧠āĻāĻāĻžāύ⧠āĻā§āύ⧠āϝāύā§āϤā§āϰ āϏā§āĻŦā§āĻāĻā§āϰāĻŋā§āĻāĻžāĻŦā§ āϏāĻŦāĻāĻŋāĻā§ āύāĻŋā§āύā§āϤā§āϰāĻŖ āĻāϰ⧠āύāĻž; āĻĒā§āϰāϤāĻŋāĻāĻŋ āϧāĻžāĻĒ āĻŽāĻžāύā§āώā§āϰ āĻĻāĻā§āώāϤāĻž, āϏāϤāϰā§āĻāϤāĻž āĻāĻŦāĻ āĻļā§āĻā§āĻāϞāĻžāϰ āĻāĻĒāϰ āύāĻŋāϰā§āĻāϰāĻļā§āϞāĨ¤
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Manual Laboratory Testing-āĻ Quality Control-āĻāϰ āĻŽā§āϞ āĻŦāĻŋāώā§āϏāĻŽā§āĻš
đ§Ē 1. Reagent Control
Fresh āĻāĻŦāĻ āϏāĻ āĻŋāĻāĻāĻžāĻŦā§ āϏāĻāϰāĻā§āώāĻŋāϤ reagent āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰāϤ⧠āĻšāĻŦā§
Expiry date āĻāĻ ā§āϰāĻāĻžāĻŦā§ āĻ
āύā§āϏāϰāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§
Standard āĻ working reagent āύāĻŋāϰā§āĻā§āϞāĻāĻžāĻŦā§ āĻĒā§āϰāϏā§āϤā§āϤ āĻāϰāϤ⧠āĻšāĻŦā§
âī¸ 2. Calibration and Standardization
āĻĒā§āϰāϤāĻŋāĻĻāĻŋāύ āĻŦāĻž āĻĒā§āϰāϤāĻŋāĻāĻŋ batch-āĻāϰ āĻāĻā§ standard run āĻāϰāϤ⧠āĻšāĻŦā§
Reference standard-āĻāϰ āϏāĻžāĻĨā§ result āĻŽāĻŋāϞāĻŋā§ā§ āĻĻā§āĻāϤ⧠āĻšāĻŦā§
Pipette-āĻāϰ accuracy āύāĻŋā§āĻŽāĻŋāϤ āϝāĻžāĻāĻžāĻ āĻāϰāϤ⧠āĻšāĻŦā§
đ 3. Internal Quality Control (Manual QC)
Known control sample āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰāϤ⧠āĻšāĻŦā§
Duplicate testing āĻāϰāĻž āĻāϤā§āϤāĻŽ
Result consistency āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāϤ⧠āĻšāĻŦā§
đ 4. Pipetting Accuracy and Biosafety
āϏāĻ āĻŋāĻ volume āĻĒāϰāĻŋāĻŽāĻžāĻĒ āĻāϰāϤ⧠āĻšāĻŦā§
Clean āĻ calibrated micropipette āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰāϤ⧠āĻšāĻŦā§
Human error āϝāϤāĻāĻž āϏāĻŽā§āĻāĻŦ āĻāĻŽāĻžāϤ⧠āĻšāĻŦā§
Reusable pipette āĻšāϞ⧠āϝāĻĨāĻžāϝāĻĨ sterilization/disinfection āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāϤ⧠āĻšāĻŦā§
âąī¸ 5. Timing and Temperature Control
Incubation time āύāĻŋāϰā§āĻā§āϞāĻāĻžāĻŦā§ āĻ
āύā§āϏāϰāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§
Water bath āĻŦāĻž room temperature āϏāĻ āĻŋāĻāĻāĻžāĻŦā§ āĻŦāĻāĻžā§ āϰāĻžāĻāϤ⧠āĻšāĻŦā§
Reaction timing-āĻ āĻā§āύ⧠āĻŦāĻŋāĻā§āϝā§āϤāĻŋ āĻšāĻā§āĻž āϝāĻžāĻŦā§ āύāĻž
𩸠6. Sample Handling Control
Proper collection, labeling āĻāĻŦāĻ transportation āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāϤ⧠āĻšāĻŦā§
Hemolysis, clotting āĻāĻŦāĻ contamination āĻā§āĻŋā§ā§ āĻāϞāϤ⧠āĻšāĻŦā§
Sample processing-āĻ āĻ
āĻĒā§āϰā§ā§āĻāύā§ā§ delay āĻāϰāĻž āϝāĻžāĻŦā§ āύāĻž
âģī¸ 7. Waste Management and Laboratory Safety
Biomedical waste āϏāĻ āĻŋāĻāĻāĻžāĻŦā§ dispose āĻāϰāϤ⧠āĻšāĻŦā§
Contaminated materials āύāĻŋāϰāĻžāĻĒāĻĻāĻāĻžāĻŦā§ āĻ
āĻĒāϏāĻžāϰāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§
Laboratory hygiene āĻ biosafety āύāĻŋā§āĻŽ āĻŽā§āύ⧠āĻāϞāϤ⧠āĻšāĻŦā§
đ¨ââī¸ 8. Phlebotomy and Staff Training
āϏāĻāϞ phlebotomist āĻ technologist-āĻā§ SOP āϏāĻŽā§āĻĒāϰā§āĻā§ āĻĒā§āϰāĻļāĻŋāĻā§āώāĻŖ āĻĻāĻŋāϤ⧠āĻšāĻŦā§
Sample collection technique āύāĻŋā§āĻŽāĻŋāϤ monitor āĻāϰāϤ⧠āĻšāĻŦā§
āĻ
āύā§āϤāϤ āĻŽāĻžāϏ⧠āĻāĻāĻŦāĻžāϰ training āĻŦāĻž review session āĻā§ā§āĻāύ āĻāϰāĻž āĻāĻāĻŋāϤ
āĻĒā§āϰāϤāĻŋāύāĻŋā§āϤ laboratory system āĻāύā§āύā§āύā§āϰ āĻā§āώā§āĻāĻž āĻāĻžāϞāĻŋā§ā§ āϝā§āϤ⧠āĻšāĻŦā§
đ 9. SOP Compliance and Technique Standardization
āĻĒā§āϰāϤāĻŋāĻāĻŋ test step-by-step SOP āĻ
āύā§āϝāĻžā§ā§ āϏāĻŽā§āĻĒāύā§āύ āĻāϰāϤ⧠āĻšāĻŦā§
Experienced technologist-āĻāϰ supervision āύāĻŋāĻļā§āĻāĻŋāϤ āĻāϰāĻž āĻāĻāĻŋāϤ
Consistent methodology āĻŦāĻāĻžā§ āϰāĻžāĻāϤ⧠āĻšāĻŦā§
đ¨ 10. Critical Value SOP
Critical result āĻāĻŋāĻšā§āύāĻŋāϤ āĻāϰāĻžāϰ āϏā§āϏā§āĻĒāώā§āĻ guideline āĻĨāĻžāĻāϤ⧠āĻšāĻŦā§
āĻāϰā§āϰāĻŋ result āĻĻā§āϰā§āϤ clinician āĻŦāĻž āĻĻāĻžā§āĻŋāϤā§āĻŦāĻĒā§āϰāĻžāĻĒā§āϤ āĻŦā§āϝāĻā§āϤāĻŋāĻā§ āĻāĻžāύāĻžāϤ⧠āĻšāĻŦā§
Communication time āĻ recipient document āĻāϰāϤ⧠āĻšāĻŦā§
āĻĒā§āϰā§ā§āĻāύ⧠repeat testing āĻāϰ⧠result verify āĻāϰāϤ⧠āĻšāĻŦā§
Telephone reporting-āĻāϰ āĻā§āώā§āϤā§āϰ⧠read-back system āĻ
āύā§āϏāϰāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§
Critical value logbook āϏāĻāϰāĻā§āώāĻŖ āĻāϰāϤ⧠āĻšāĻŦā§
â ī¸ Manual Testing-āĻāϰ āϏāĻŦāĻā§ā§ā§ āĻŦā§ āĻā§āϝāĻžāϞā§āĻā§āĻ
Manual Laboratory Testing-āĻāϰ āĻĒā§āϰāϧāĻžāύ āϏā§āĻŽāĻžāĻŦāĻĻā§āϧāϤāĻž āĻšāϞ⧠Human VariabilityāĨ¤ āĻ
āϰā§āĻĨāĻžā§, āϏāĻžāĻŽāĻžāύā§āϝ āĻ
āϏāĻžāĻŦāϧāĻžāύāϤāĻž āĻŦāĻž procedural deviation-āĻāϰ āĻāĻžāϰāĻŖā§āĻ āĻĢāϞāĻžāĻĢāϞ āĻ
āĻŦāĻŋāĻļā§āĻŦāϏā§āϤ āĻšā§ā§ āϝā§āϤ⧠āĻĒāĻžāϰā§āĨ¤
đ§ āϏāĻšāĻāĻāĻžāĻŦā§ āĻŽāύ⧠āϰāĻžāĻā§āύ
Manual System = Human Dependent
Reliable Result = Discipline + Control + Technique
đĄ āĻāĻĒāϏāĻāĻšāĻžāϰ
Manual Laboratory Testing āĻ
āϤā§āϝāύā§āϤ āύāĻŋāϰā§āĻāϰāϝā§āĻā§āϝ āĻĢāϞāĻžāĻĢāϞ āĻĻāĻŋāϤ⧠āϏāĻā§āώāĻŽâāϝāĻĻāĻŋ āĻĒā§āϰāϤāĻŋāĻāĻŋ āϧāĻžāĻĒ āϝāĻĨāĻžāϝāĻĨāĻāĻžāĻŦā§ āύāĻŋā§āύā§āϤā§āϰāĻŋāϤ, āĻĒāϰā§āϝāĻŦā§āĻā§āώāĻŋāϤ āĻāĻŦāĻ standard procedure āĻ
āύā§āϝāĻžā§ā§ āϏāĻŽā§āĻĒāύā§āύ āĻāϰāĻž āĻšā§āĨ¤
đ§Ē Quality Control is not optional; it is the foundation of trustworthy laboratory results.
12/03/2025
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