Allows a Prescriber to Prescribe Medication Using Weight-Based Dosing

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Type Standard / Implementation Specification Standards Process Maturity Implementation Maturity Adoption Level Federally required Cost Test Tool Availability
Implementation Specification
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Emerging Implementation Specification
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Limitations, Dependencies, and Preconditions for Consideration
Applicable Value Set(s) and Starter Set(s)

Included in the Structured and Codified Sig Format of electronic prescribing transactions are elements, fields and values that are directly related to the prescriber's instructions for use.

The following elements of the Sig are required when Structured Sig is sent:

  • Code system
  • Dose
  • Vehicle
  • Route Of Administration
  • Site of Administration
  • Timing
  • Duration
  • Maximun Dose Restriction
  • Indication

The following elements of the Sig are required when Structured Sig is sent and when dose is to be calculated:

  • Dose Calculation
    • Used where a body metric such as metric weight (kg) or surface area (m*2) is used to calculate a dose for a patient.
    • May often be used in conjunction with the Rate within TimingAndDuration and/or the Vehicle.

The SCRIPT 2017071 Observation element supports the use of a patient's height, weight and other vital signs:

  • Inclusion of VitalSign (most recent patient's height and weight) and ObservationDate (YYYY-MM-DD height and weight observed/taken) is required for patients 18 years old and younger on all new and renewal prescriptions from a prescriber to a pharmacy.
    • If the height and/or weight have changed and a prescriber is sending an approved renewal response, the response should be coded as Approved with Changes.
  • ObservationDate is now mandatory when Observation Segment Measurement is sent.
  • ObservationNotes may contain other pertinent information pertaining to weight-based calculations.

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