http://terminology.hl7.org/CodeSystem/v3-NullFlavor|3.0.0
name
NullFlavor
NullFlavor
package
hl7.terminology.r4@6.3.0
hl7.terminology.r4@6.3.0
content
complete
complete
status
active
active
date
2019-03-20 00:00:00.0
2019-03-20 00:00:00.0
NullFlavor
A collection of codes specifying why a valid value is not present.
| code | display | definition | hierarchy |
|---|---|---|---|
| NI | NoInformation | **Description:**The value is exceptional (missing, omitted, incomplete, improper). No information as... | |
| NP | not present | Value is not present in a message. This is only defined in messages, never in application data! All ... | |
| NAV | temporarily unavailable | Information is not available at this time but it is expected that it will be available later.... | |
| DER | derived | **Description:**An actual value may exist, but it must be derived from the provided information (usu... | |
| OTH | other | **Description:**The actual value is not a member of the set of permitted data values in the constrai... | |
| UNC | un-encoded | **Description:** The actual value has not yet been encoded within the approved value domain.\r\n\r\n... | |
| INV | invalid | **Description:**The value as represented in the instance is not a member of the set of permitted dat... | |
| MSK | masked | There is information on this item available but it has not been provided by the sender due to securi... | |
| NA | not applicable | Known to have no proper value (e.g., last menstrual period for a male).... | |
| UNK | unknown | **Description:**A proper value is applicable, but not known.\r\n\r\n**Usage Notes**: This means the ... | |
| NINF | negative infinity | Negative infinity of numbers.... | |
| PINF | positive infinity | Positive infinity of numbers.... | |
| ASKU | asked but unknown | Information was sought but not found (e.g., patient was asked but didn't know)... | |
| NASK | not asked | This information has not been sought (e.g., patient was not asked)... | |
| NAVU | Not available | Information is not available at this time (with no expectation regarding whether it will or will not... | |
| QS | Sufficient Quantity | **Description:**The specific quantity is not known, but is known to be non-zero and is not specified... | |
| TRC | trace | The content is greater than zero, but too small to be quantified.... |