http://terminology.hl7.org/CodeSystem/v3-NullFlavor|2018-08-12

name
v3.NullFlavor
package
hl7.fhir.r4.core@4.0.1
content
complete
status
active
date
2018-08-11 14:00:00.0

v3 Code System NullFlavor

A collection of codes specifying why a valid value is not present.

codedisplaydefinitionhierarchy
NINoInformation
Description:The value is exceptional (missing, omitted, incomplete, improper). No information as to ...
INVinvalid
Description:The value as represented in the instance is not a member of the set of permitted data va...
DERderived
Description:An actual value may exist, but it must be derived from the provided information (usually...
OTHother
Description:The actual value is not a member of the set of permitted data values in the constrained ...
NINFnegative infinity
Negative infinity of numbers....
PINFpositive infinity
Positive infinity of numbers....
UNCun-encoded
Description: The actual value has not yet been encoded within the approved value domain.\r\n\n ...
MSKmasked
There is information on this item available but it has not been provided by the sender due to securi...
NAnot applicable
Known to have no proper value (e.g., last menstrual period for a male)....
UNKunknown
Description:A proper value is applicable, but not known.\r\n\n \n ...
ASKUasked but unknown
Information was sought but not found (e.g., patient was asked but didn't know)...
NAVtemporarily unavailable
Information is not available at this time but it is expected that it will be available later....
NASKnot asked
This information has not been sought (e.g., patient was not asked)...
NAVUNot available
Information is not available at this time (with no expectation regarding whether it will or will not...
QSSufficient Quantity
Description:The specific quantity is not known, but is known to be non-zero and is not specified bec...
TRCtrace
The content is greater than zero, but too small to be quantified....
NPnot present
Value is not present in a message. This is only defined in messages, never in application data! Al...