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Days Supply Limit

A VA Data Field used to specify the default days’ supply (e.g., 90 days) that a medication can be dispensed.

DEA

Drug Enforcement Agency

DIF

Drug Information Framework

Dispense Quantity Limit

A VA Data Field that specifies the limit as a Quantity-per-Time period. Quantity is the number of dispense units. Time period is specified by a number of days

Dispense Unit

A unit of measure for dispensing (e.g., GM, EA).

Domain

Refers to data elements used by PEPS items; for example: Manufacturer, Standard Med Route. Usually domain in this context refers to a domain entry, not necessarily the entire domain.

Dosage Form

The medium used to administer the active ingredient(s) in health products. Dosage forms include, but are not limited to capsules, tablets, injectables, oral solutions, drops, creams, ointments, and patches.

Dose

A specified quantity of a therapeutic agent, such as a drug, prescribed to be taken  at one time or at stated intervals.

DPP

Detailed Project Plan

Draft Order

A dispense order entered into the system by a user, but not completed or not submitted to pharmacy for dispensing.

Drug Class

The grouping of drug products based on various criteria, which may include similarity of chemical structure, clinical indications, pharmacology, and therapeutic activity.

Drug Class Domain

Contains the list of VA Drug Classifications that can be used for Product Items.

Drug Data Vendor

The company that supplies medical information products (e.g., MicroMedex or First Databank).

Drug Enforcement Administration (DEA) Number

A numbering system that was implemented as a way to successfully track CS from the time they are manufactured until the time they are dispensed to the Patient or destroyed according to DEA regulations.

Drug Indication Dosing

Allows for different dosages for different disease states as well as for different Patient conditions. For example, the dose for Megestrol used for anorexia is 800mg daily, whereas the dose for Megestrol used for breast cancer is 40mg four times daily. Additionally, doses for Patients with impaired renal or hepatic clearances may have to be adjusted.

Drug Unit Domain

Provides the list of available units of measure that can be used for a medication.

Drug/Disease Interaction

An event that occurs when a drug’s action or effect are altered by a disease or clinical condition. May result in worsening of the disease by the drug.

Drug/Drug Interaction

The pharmacological or clinical response to the administration of a drug combination different from that anticipated from the known effects of the two agents when given alone.

DSD

Delivery Service Delegate

DSS

Decision Support System

DTAC

Development Technology Advisory Committee

Duration

The amount of time that the Patient should use the specified dose. This can be calculated from the time between the Start Date/Time and Stop Date/Time for an Inpatient medication order.

DUZ

A value that identifies a specific end-user signed into the VistA system. The DUZ is being replaced by the VPID but is still in use.

DVA

Department of Veterans Affairs



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