For GS-3: Successful completion of

(a) a full-time training course of approximately a year's duration in a medical or clinical laboratory assistant (or technician) school that included instruction in chemistry, hematology, blood banking, and microbiology (including serology) and that, in addition, included supervised laboratory practice incident to the diagnostic process and the treatment of patients; or

(b) 1 year of study that included at least 6 semester hours in chemistry and/or biological science.

For GS-4: Successful completion of

(a) an associate-degree course of study of which the 2nd year of the 2-year program included successful completion of a training course of approximately a year's duration in a certified laboratory assistant school approved by a nationally recognized accrediting agency;

(b) 1 year of study that included 6 semester hours in chemistry and/or the biological sciences, plus successful completion of the training course as described in (a) above for GS-3; or

(c) 2 years of study that included at least 12 semester hours of chemistry and/or biological science course work that must have been directly related to the specialization of the position to be filled.

For GS-5:

Successful completion of a full 4-year course of study leading to a bachelor's degree with major study or at least 24 semester hours in subjects appropriate to the position to be filled.

Completion of a full-time training course of at least 24 months in duration (or the equivalent) in a post-high school diagnostic radiologic technology program, evidenced by a certificate or an associate degree, accredited by the Joint Review Committee on Education in Radiologic Technology (JRCERT) or from other accrediting agencies as recognized by the Department of Education (DOE).

See qualification standard for additional requirement to meet credentialing standards in 42 CFR Part 75