This page is part of the FHIR Specification (v0.0.82: DSTU 1). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions

1.14.2.1.2 Value Set for codes in http://hl7.org/fhir/data-absent-reason

This is a value set defined by the FHIR project.

Summary

Code System URL:	http://hl7.org/fhir/data-absent-reason
Value Set URL:	http://hl7.org/fhir/vs/data-absent-reason
Definition:	Used to specify why the normally expected content of the data element is missing

Formal value Set definition : XML or JSON .

Concept Maps for this value set:

to v3 Code System NullFlavor

v3 map for DataAbsentReason

XML

JSON

This value set defines its own codes:

1.14.2.1.2.1 DataAbsentReason

Used to specify why the normally expected content of the data element is missing

This value set defines its own terms in the system http://hl7.org/fhir/data-absent-reason

Code	Display	Definition	v3 Map (NullFlavor)
unknown		The value is not known	= UNK
asked		The source human does not know the value	= ASKU
temp		There is reason to expect (from the workflow) that the value may become known	= NAV
notasked		The workflow didn't lead to this value being known	= NASK
masked		The information is not available due to security, privacy or related reasons	= MSK
unsupported		The source system wasn't capable of supporting this element	< NA
astext		The content of the data is represented in the resource narrative
error		Some system or workflow process error means that the information is not available	< NA

These codes are not currently used

OIDs

Code System URL:	2
Value Set URL:	2.16.840.1.113883.4.642.2.2
Note: these OIDs are not used in FHIR, but may be used in v3, or OID based terminology systems

See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page:

Level

A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies

Source

The source of the definition of the code (when the value set draws in codes defined elsewhere)

Code

The code (used as the code in the resource instance)

Display

The 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

Definition

An explanation of the meaning of the concept

Comments

Additional notes about how to use the code

In addition, this page will include mappings to HL7 v2 or HL7 v3 code where these have been defined.