WHAT DOES A LABORATORY ASSISTANT DO?
Published: Jan 05, 2026 - The Laboratory Assistant performs analytical testing of raw materials, prepares composite samples, calibrates equipment, and records results in the LIMS to ensure compliance with established specifications and procedures. This role manages reagents, chemicals, sample storage, stability chambers, and documentation while reporting any non-compliant results for further evaluation. The assistant also supports laboratory operations through glassware washing, sample delivery, report organization, and administrative tasks that maintain efficient workflow and accurate recordkeeping.


A Review of Professional Skills and Functions for Laboratory Assistant
1. Laboratory Assistant Duties
- Specimen Preparation: Prepares laboratory specimens for designated departments or locations before laboratory analysis and testing
- Tube Identification: Correctly identifies proper tubes, containers, transport media and storage temperature for each test type
- Specimen Acceptability: Determines specimen acceptability, consulting with the specimen processing supervisor, technologist, or pathologist and takes appropriate action
- Blood Collection: Performs routine venous and capillary blood collections and ABGs
- Specimen Processing: Prepares all specimens received for testing in designated laboratory departments or locations such as staging of specimens, centrifuging, separating serum, and blood smears
- Sample Aliquoting: Aliquot samples for departments
- Specimen Storage: Prepares excess specimen samples for storage and resolves and documents problem specimens
- CPR Certification: Maintain active Basic Life Support (CPR) certification
2. Laboratory Assistant Details
- Compliance Processing: Works within compliance and regulatory parameters while completing the receipt, registration, order entry and labeling of large volumes of specimens in the appropriate computer system
- Issue Resolution: Resolving specimen submission issues
- Call Management: Managing a large volume of telephone calls
- Information Filing: Filing and distribution of patient information
- Document Scanning: Maintaining logs and scanning documents into the electronic medical record
- Instrument Operation: Responsible for operating and performing regular preventative maintenance
- Basic Troubleshooting: Basic troubleshooting on a variety of departmental instruments and may require the acquired knowledge of esoteric test requests by physicians and involve order entry and processing of these specimens
- Procedure Assistance: Assisting with specimen handling at FNA and biopsy procedures
3. Laboratory Assistant Responsibilities
- Lab Operations: Performs routine laboratory and general organizational tasks necessary for the daily operation of the laboratory
- Sample Management: Sample management will be the largest portion of the position
- Inventory Scanning: Creates sample inventories by scanning barcoded items for temporary and long-term storage
- Glassware Handling: Collects, prepares, cleans and stores glassware and other lab equipment
- Reagent Preparation: Stocks and prepares media, reagents, chemical solutions and stains
- LIMS Management: Maintains records and files in a laboratory information management system (LIMS)
- Barcode Creation: Creates barcodes for unlabeled specimens
- Specimen Processing: Assists in the sample processing of blood and other human specimens
- Inventory Tracking: Keeps track of and updates lab inventory
- Equipment Setup: Sets up laboratory and research equipment as directed
- Experiment Assistance: Assists research and laboratory personnel with experiments and procedures
4. Laboratory Assistant Accountabilities
- Analytical Testing: Perform analytical testing of raw materials to ensure that monograph and official compendia specifications are met
- Instrument Utilization: Utilize various instruments and equipment for qualitative and quantitative analysis
- Equipment Calibration: Calibrate equipment according to standard operating procedures
- Sample Coordination: Coordinate preparation of composite samples of in-process bulk products for filing and further testing
- Result Reporting: Record, evaluate and report satisfactory test results into the laboratory information management system
- Noncompliance Reporting: Report all non-compliance test situations to the supervisor for further evaluation
- Reagent Preparation: Prepare lab reagents, order lab chemicals and supplies, maintain the sample file room, and file laboratory documentation and samples
- Glassware Washing: Perform glassware washing to support the laboratory area
- Stability Handling: Storage and removal of stability samples from designated stability chambers
- Sample Delivery: Deliver and log samples to designated laboratories
- Report Organization: Organize, label and file stability technical reports
- Administrative Support: Assist with administrative duties including filing paperwork and rearranging a file storage area
5. Laboratory Assistant Functions
- Lab Assistance: Working with the TetraGenetics team, assisting the research scientists with the daily lab operations
- Buffer Preparation: Coordinating and supporting daily activities such as making buffers, media, handling glassware cleaning, and operating the autoclave
- Sterile Support: Supporting sterile laboratory practices by aliquoting materials and assisting with cell culture growth
- Equipment Maintenance: Assist the laboratory operations team with routine maintenance and calibration of equipment, receiving and sorting deliveries
- Inventory Tracking: Keep track of stock inventories and order general lab supplies
- Chemical Management: Assist with monitoring, proper storage and inventory of chemicals including hazardous materials and managing SDS manifests in the laboratory
- Safety Compliance: Working with hazardous biologicals and chemicals while being compliant with regulatory and work health safety standards
- Office Coordination: Coordinating snack, beverage, catering and food delivery services and ensuring general office supplies are well-stocked
- Operations Documentation: Assisting in creating office operations documents and signage to communicate relevant company information
6. Laboratory Assistant Overview
- Product Handling: Responsible for the management and receipt of incoming and outbound product from and to the receiving dock to the 2nd floor lab location using a pushcart and elevator
- Database Tracking: Responsible for using the computer database to track products for testing
- Specimen Preparation: Prepare test specimens and operate lab equipment
- Laboratory Testing: Perform laboratory testing including dimensional testing and physical testing
- Data Recording: Generate and record results in lab notebooks and report data in compliance with good documentation practices
- Donor Entry: Enter and update donor registration and draw information into the computer
- Component Processing: Process blood components from whole blood and apheresis donations with proper technique and documentation
- Component Labeling: Label all blood components including proper checking and documentation, according to procedures
- Quality Control: Perform and document quality control procedures on a regular schedule
- Equipment Evaluation: Recognize equipment malfunctions and evaluate the need for adjustment or repairs
- Supervisor Notification: Notify the Supervisor in writing of any equipment malfunctions or unacceptable component results
- Component Docking: Organize, process, modify and sterile dock any component to efficiently deliver quality pooled or split products
7. Laboratory Assistant Details and Accountabilities
- Lab Cleanliness: Maintaining a clean work area and laboratory
- Culture Preparation: Preparing culture media and carrying out cell and plant culture work
- Quality Checking: Quality checking culture plates
- Pesticide Spraying: Spraying pesticides and fertilizers (training will be provided)
- Label Printing: Print labels, reports, worksheets
- Requisition Verification: Verifies information on requisitions for accuracy
- Specimen Processing: Process specimens in the laboratory
- File Management: Maintain files and retrieve materials
- Specimen Identification: Verifies the identification of specimens
- Specimen Routing: Sorts, processes and routes specimens to various departments
8. Technical Laboratory Assistant Tasks
- Specimen Accessioning: Performs accessioning of specimen orders
- Patient Verification: Obtains and verifies pertinent patient information for laboratory testing and billing purposes
- Requisition Checking: Verifies information on requisitions for accuracy
- Information Completion: Obtains information to ensure completeness
- LIS Entry: Enters specimen information into Laboratory Information Systems
- TIQ Creation: Creates Test in Question (TIQs) that would affect testing
- Add-On Ordering: Orders add-on testing per department’s procedures
- Specimen Processing: Processes specimens for testing
- Equipment Operation: Operates lab equipment such as centrifuges and vortex mixers
- Issue Reporting: Informs supervisor of occurrences affecting lab tests such as specimen quality, equipment problems or unusual patient data
- Specimen Handling: Processes and handles specimens to maintain specimen integrity according to established procedures
9. Technical Laboratory Assistant Roles
- Specimen Centrifugation: Centrifuges specimens and prepares aliquots
- Specimen Preparation: Identifies, prepares and processes specimens for testing, transport or shipping, including labeling, handling, preserving or fixing specimens
- TIQ Monitoring: Monitors TIQ worklist for timely resolution of problem specimens
- Research Processing: Process specimens for research and correlation studies
- Specimen Loading: Loads and unloads specimens onto individual testing equipment or the lab automation system
- Specimen Receiving: Performs the receiving of specimens
- Receipt Verification: Verifies receipt of specimens in the lab computer system, including interfaced lab orders
- Pending Investigation: Monitors pending lists and investigates missing specimens
- SOP Maintenance: Performs maintenance according to department SOP
- Administrative Support: Administrative and other laboratory duties
10. Technical Laboratory Assistant Additional Details
- Specimen Archiving: Archives and retrieves specimens from storage for add-on testing and discards specimens upon expiration of the storage period
- Storage Maintenance: Organizes, racks and maintains departmental storage of specimens such as blood, urine and body fluids
- Supply Processing: Processes shipments of supplies and verifies inventory
- Waste Disposal: Disposes of waste items properly
- System Operation: Operates laboratory computer systems and performs necessary tasks, including resolving problems and extracting pertinent information
- Call Handling: Answers telephone, receives and relays messages including those regarding specimen pickup, laboratory reports and test orders
- File Management: Maintains files and retrieves material according to established systems and procedures
- Supply Ordering: Monitors and orders supplies required to perform duties
- Procedure Updating: Keeps abreast of new or revised technical procedures in the department’s procedure manual
- Client Support: Works with clients and departments to resolve problems
Editorial Process and Content Quality
This content is part of Lamwork's career intelligence platform and is developed using structured analysis of real-world job data, including publicly available job descriptions, skill requirements, and hiring patterns.
Lam Nguyen, Founder & Editorial Lead, defines the research framework behind Lamwork's career intelligence platform, including job role analysis, skills taxonomy, and structured career insights.
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