This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions icon CodeSystem http://hl7.org/fhir/permitted-data-type

Orders and Observations icon Work Group Maturity Level: 1Trial Use Use Context: Country: World
Official URL: http://hl7.org/fhir/permitted-data-type Version: 6.0.0-cibuild
active as of 2021-01-04 Computable Name: ObservationDataType
Flags: CaseSensitive, Complete. All codes ValueSet: Observation Data Type OID: 2.16.840.1.113883.4.642.4.1332

This Code system is used in the following value sets:

Permitted data type for observation value.

This case-sensitive code system http://hl7.org/fhir/permitted-data-type defines the following codes:

Quantity A measured amount.btn btn
CodeableConcept A coded concept from a reference terminology and/or text.btn btn
string A sequence of Unicode characters.btn btn
boolean true or false.btn btn
integer A signed integer.btn btn
Range A set of values bounded by low and high.btn btn
Ratio A ratio of two Quantity values - a numerator and a denominator.btn btn
SampledData A series of measurements taken by a device.btn btn
time A time during the day, in the format hh:mm:ss.btn btn
dateTime A date, date-time or partial date (e.g. just year or year + month) as used in human communication.btn btn
Period A time range defined by start and end date/time.btn btn


See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code