Mohs Histology Technician (104480)

U.S. Dermatology Partners; Chesterfield (MO); Hybrid; USD 25,000 - 41,000; Part time

Job summary

Chesterfield-Woods is seeking a Mohs Histology Technician to support diagnostic tissue evaluation using histological procedures in the Mohs laboratory. The role involves embedding, microtomy, staining, immunohistochemistry (if applicable), mounting, and instrument maintenance in a fast-paced lab environment.

Qualifications include at least one year of laboratory experience, a relevant degree (Associate's required; Bachelor's preferred), and HT/HTL ASCP certification preferred.

Qualifications

• Minimum one-year laboratory experience.
• Associate's Degree required; Bachelor's preferred.
• HT/HTL ASCP certification preferred.
• Knowledge of medical terminology preferred.

Responsibilities

• Perform embedding, microtomy, staining, and mounting for Mohs procedures.
• Operate cryostat and microtome with proper orientation
• Maintain quality control and safety procedures in the Mohs lab
• Label, file, and store slides and specimen blocks accurately
• Assist in equipment maintenance and record-keeping

Skills

Laboratory experience

Histology terminology

Attention to detail

English communication

Education

Associate's Degree

Bachelor's Degree in Chemistry or Biology

Tools

Microsoft Excel

Microsoft Word

Outlook

Job description

# Mohs Histology Technician (104480)Chesterfield-Woods - Chesterfield, MO 63017Start Date 10/08/2026## OverviewPosition TypeSeasonal## Description**Job Summary**Supports the diagnostic evaluation of tissue by histological procedures. Performs histological duties within the guidelines established by Mohs laboratory (clinic or stand-alone laboratory).**Duties and Responsibilities – Mohs Lab:*** Performs a variety of specialized histopathological procedures.* **Embedding:** Orient specimen correctly on embedding device (glass slide, CryoEmbedder, Freeze bar/well, heat extractor, etc.). Freeze specimen to device ensuring that the epidermis / base of specimen is properly placed to ensure a complete representative section. Adhere to prepared object holder disc.* **Microtomy (Cutting): Operate** a microtome within cryostat with correct settings, alignments and knife angles to insure optimum cutting / sectioning of specimen. Verify block orientation for proper facing of specimen. Adequately trim specimen(s) block to correct level of completeness to provide a true first margin of the specimen (trimming excessively may generate false positive). Ability to determine and produce acceptable quality representative specimen sections. Accurately places a series of sections on a microscopic slide (labeled with patient name / accession # /piece / stage). Correctly labels and stores cut specimen blocks within the cryostat chamber to ensure accurate tissue identification.* **Routine Staining Procedures:** Selects appropriate stains and chemicals to perform H&E or T-Blue staining procedures. Prepares and maintains stains and other solutions required in staining. Demonstrate the ability to determine acceptable and unacceptable staining. Identify and correct problem areas that result in inadequate staining.* **Immunohistochemical Techniques (if applicable):** Identifies the proper control for Immunohistochemistry to be used for specific antibodies. Determines appropriate antigen retrieval procedure for each antibody.* **Mounting Procedure:** Sides are cover-slipped using a xylene or xylene substitute compatible mounting medium.* **Instrumentation:** Maintains/services instruments according to established protocols. Demonstrate the ability to operate or use instruments for intended purpose. Monitors and documents instrument performance and checks/recognizes malfunctions and identifies the need of repair.* **Reagent Preparation:** Prepares reagents according to established procedures. Records quality control data for each reagent. Select proper storage and preservation for all reagents. Recognizes reagent malfunction and need to replace reagent.* **General Safety:** Demonstrates correct safety practices as defined in established protocol. Recognizes and corrects dangerous situations related to job safety. Investigates and resolves complaints or refers unusual problems to superior. Adhere to all OSHA regulations and universal precautions.* **Chemical Hygiene/Biohazard Procedures:** Demonstrate proper handling of chemicals and biohazard materials. Adheres to all OSHA regulations and universal precautions, including waste and sharps disposal. Maintains knowledge of OSHA regulations and use of universal precautions as appropriate.* **General:** Participate in department or unit Quality Improvement activities. Assist in general housekeeping duties for Mohs Laboratory. Maintain Mohs laboratory logbook (accession number / date / patient / tumor location / physician).* Assists in the evaluation of new procedures and equipment for possible adoption by the laboratory environment.* Conducts quality control procedures on equipment, reagent, and products and maintains proper records for quality control reports.* Label and file slides appropriately in numerical order.* Maintains routine maintenance logbook information (temperature/humidity, reagents, cryostat, microscope, stainer, etc.).* Adheres to all safety policies and procedures in performing job duties and responsibilities while supporting a culture of high quality and great customer service.* Performs other duties as assigned in the best interest of the organization.## Qualifications**Experience Requirements*** Minimum one-year laboratory experience *preferred*.* Associate's Degree required + credit hour specific requirements* Bachelor's Degree in Chemistry or Biology *preferred** Certified Histological Technician or Technologist - HT or HTL (ASCP), *preferred***Knowledge, Skills and Abilities Requirements:*** Thorough knowledge of medical terminology, preferred* Detail oriented, professional attitude, reliable* Management and organizational skills to support the leadership of this function* Ability to follow or provide verbal & written instructions with sufficient grammar and spelling skills to avoid mistakes or misinterpretations* Interpersonal skills to support customer service, functional, and teammate support needs + Able to communicate effectively in English, both verbally and in writing* Mathematical and/or analytical ability for basic to intermediate problem solving* Basic to intermediate computer operation + Proficiency with Microsoft Excel, Word, and Outlook* Specialty knowledge of systems relating to job function* Knowledge of state and federal regulations for this position; general understanding of HIPAA guidelines**Supervisory Responsibilities:*** This position has no supervisory responsibilities.