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State of Washington Classified Job Specification


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Class Code: 316E
Category: Health Care

Class Series Concept

Perform cytogenetic laboratory procedures and analysis, utilizing general genetics and the basic biology of the mitotic cell cycle.


Participate in on-the-job training in cytogenetic laboratory procedures and analyses, using general genetics and the basic biology of the mitotic cell cycle.

Distinguishing Characteristics

Under direct supervision, participate in on-the-job training to learn and perform cytogenetic laboratory procedures and analyses.

Typical Work

Participate in structured training modes to perform the following: 

  • Scan slides for analyzable spreads; count and analyze selected spreads and evaluate acceptable quality;
  • Karyotype the photographic prints using the standard format;
  • Stain slides of chromosome spreads utilizing a variety of banding techniques, including G, R, C, Q, and NOR, etc.;
  • Review patient request forms for accuracy of information and determine if previous cytogenetics studies were performed;
  • Set up cultures for chromosome analysis on blood, bone marrow, solid tumor tissue, amniotic fluid or fibroblasts from skin, lung, etc.; harvest cultures on these specimens;
  • Photograph selected chromosome spreads; develop and print film;
  • Maintain documentation of the steps performed in preparation with appropriate labeling of test tubes and slides;
  • Maintain records of all lab procedures;
  • Summarize test results using the International System for Cytogenetic Nomenclature and write reports to present to faculty for approval; 

Maintain a safe work environment following health and safety regulations and laboratory policies; 

Attend and participate in laboratory staff meetings, journal clubs, continuing education and in-service education; 

Perform related duties as required.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

A Bachelor's Degree with at least fifteen credit hours in a biological or physical science


Equivalent education/experience.

Class Specification History

New Class: 3-21-88
Revised new class code: (formerly 6450) effective July 1, 2007