FHIRPath Function: toQuantity

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Summary

• Category: Conversion
• Section: 5.5.7.1
• Return Type: Quantity
• Empty Input Result: empty
• Errors on Multiple Input: true

Description

If the input collection contains a single item, this function will return a single quantity if the item is an Integer or Decimal, a Quantity, a String convertible to a Quantity, or a Boolean.

Arguments

• unit (optional): String - Optional unit to convert to

Type Mapping

• Integer-Quantity
• Decimal-Quantity
• Quantity-Quantity
• String-Quantity
• Boolean-Quantity

Example

q.toQuantity('g') // changes the value and units in the quantity according to UCUM conversion rules