D.C. Mun. Regs. tit. 6, r. 6-B2005
Regardless of whether physical or mental health requirements have been established for a position, a personnel authority may require an employee to undergo a medical evaluation when there is a reasonable concern as to the employee's continuing ability to physically or mentally carry out the essential functions of his or her position or when an employee's work-related conduct or performance raises concerns relating to the health or safety of the employee or others.
Orders to undergo a medical evaluation shall:
Whenever the personnel authority directs an employee to undergo a medical evaluation, the personnel authority may direct that the employee:
The personnel authority may order a psychiatric examination (including a psychological assessment) only when recommended by a physician or practitioner,or when other medical records reasonably support the need for such an examination.
Medical evaluations conducted under this section shall be conducted to evaluate the capacity of the employee to perform the essential job functions of his or her position.
The cost of the medical evaluation shall be the responsibility of the employing agency.
Whenever a medical evaluation is conducted by a physician or practitioner designated by the personnel authority, the personnel authority shall consider any medical records supplied by the employee from his or her personal health care physician(s) or practitioner(s).
The personnel authority shall provide the evaluating physician or practitioner with a copy of all approved medical evaluation protocols and any applicable medical qualifications and requirements for the position, or a detailed description of the essential job functions of the position, including physical demands and environmental factors.
D.C. Mun. Regs. tit. 6, r. 6-B2005