41 CFR § 301-30.4
When an illness or injury occurs on TDY, what expenses may be allowed?
June 9, 2020
Your agency may pay:
(a) Per diem at the location where you incurred or were treated for incapacitating illness or injury for a reasonable period of time (generally 14 calendar days). However, your agency may pay for a longer period.
(b) Transportation and per diem expense for travel to an alternate location to receive medical treatment.
(c) Transportation and per diem expense to return to your official station.
(d) Transportation costs of a medically necessary attendant.
[FTR Amdt. 70, 63 FR 15966, Apr. 1, 1998, as amended by FTR Amdt. 108, 67 FR 57966, Sept. 13, 2002]