Definition: This field indicates how long the service should continue after it is started. The default is INDEF (do indefinitely). This component is coded as follows:
S<integer> |
= |
<integer> seconds |
M<integer> |
= |
<integer> minutes |
H<integer> |
= |
<integer> hours |
D<integer> |
= |
<integer> days |
W<integer> |
= |
<integer> weeks |
L<integer> |
= |
<integer> months |
X<integer> |
= |
<integer> times at interval specified in the order. A request for 2 blood cultures Q2H X3 would imply obtaining 2 blood cultures 3 different times at 2-hour intervals for a total of 6 blood cultures. |
T<integer> |
= |
at the interval and amount stated until a total of <integer> "DOSAGE" is accumulated. Units would be assumed to be the same as in the QUANTITY field. |
INDEF |
= |
do indefinitely - also the default |