
Check specimens before work begins
Confirm the incoming specimen suits the test ordered, and if it doesn't, tell the sender what needs fixing.
Career profile
Cytogenetic technologists inspect chromosomes, the cell parts holding hereditary code, for wrong counts or shapes.
Line up chromosome pictures side by side, and even a small difference can help pin down a genetic diagnosis. This job makes those differences visible.


Confirm the incoming specimen suits the test ordered, and if it doesn't, tell the sender what needs fixing.

You keep cells growing in culture, harvest them, then make and stain slides so the chromosomes show up.

With imaging software, arrange chromosomes into a numbered karyotype, then check their banding and shapes for changes.

In cancer labs, set past results beside the new analysis, log changes, and discuss hard cases with coworkers.
United States
National pay is not reported separately for cytogenetic technologists. Broader laboratory wages appear below.
National growth and annual openings are not reported separately for this specialty.
Quick orientation
Combine a degree with cytogenetics training or qualifying clinical experience.
National pay is not reported separately for cytogenetic technologists. Broader laboratory wages appear below.
National growth and annual openings are not reported separately for this specialty.
Automated equipment can harvest cells and scan slides for digital chromosome analysis, reducing some manual preparation and image capture.
You still evaluate sample quality, investigate unusual findings, and help check whether new tests or instruments work reliably.
How much image review becomes automated—and how much time shifts toward checking difficult cases—will depend on the tests and tools each lab adopts.
Pay in context
There is no separate national pay estimate for cytogenetic technologists. The closest official comparison includes clinical laboratory technologists and technicians across specialties.
In May 2025, that broader group had a median of $62,930 a year, or $30.26 an hour. Its national 10th–90th percentile range was $38,910–$100,990 annually. These are wage-distribution points, not starting and senior salaries.
For clinical laboratory technologists and technicians overall, employment is projected to grow 3% from 2025 to 2035, with about 20,800 openings annually from growth and replacement. That total does not tell you how many cytogenetics jobs will be available.
Two routes toward the American Society for Clinical Pathology (ASCP) cytogenetics examination combine college study with practical laboratory preparation.
After entry
This starts where the entry routes leave off: early work, growing capability, and advancement or specialization. This path also has a credential or licensing boundary; see the requirements and limits.
Build consistency in cultures, slide preparation, and quality-control records using your laboratory’s procedures.
Develop your analysis of unusual chromosome findings and learn to help validate new tests or instruments.
Move toward supervising technologists or training new staff while keeping your own analysis skills current.
Your case mix can focus on blood cancers and solid tumors, connecting chromosome findings with earlier results and the patient’s diagnosis. Some positions include evening or Saturday shifts.
You may study chromosome changes in human or animal cells for research projects, including how pharmaceutical compounds affect chromosomes. The species and experimental question shape the analysis.
Try it
Try a classroom karyotype worksheet: pair chromosome pictures by size and band pattern, then mark any pairing you are unsure about. Notice whether patient comparison and explaining your uncertainty hold your interest.
Stay safe: Use teaching images, not personal genetic-test results.