NullFlavor Enumeration
Indicates why a value is not present.

Namespace: MARC.Everest.DataTypes
Assembly: MARC.Everest.Phone (in MARC.Everest.Phone.dll) Version: (1.5.0)



public enum NullFlavor


  Member nameValueDescription
AskedUnknown0 Information was sought but not found (e.g., patient was asked but didn't know).
Derived1 An actual value may exist, but it must be derived from the provided information (usually an EXPR generic data type extension will be used to convey the derivation expressionexpression ..
Invalid2 The value as represented in the instance is not a member of the set of permitted data values in the constrained value domain of a variable..
Masked3 There is information on this item available but it has not been provided by the sender due to security, privacy or other reasons. There may be an alternate mechanism for gaining access to this information. Note: using this null flavor does provide information that may be a breach of confidentiality, even though no detail data is provided. Its primary purpose is for those circumstances where it is necessary to inform the receiver that the information does exist without providing any detail. .
NotApplicable4 Known to have no proper value (e.g., last menstrual period for a male)..
NotAsked5 This information has not been sought (e.g., patient was not asked).
Unavailable6 Information is not available at this time but it is expected that it will be available later..
NoInformation7 No information whatsoever can be inferred from this exceptional value. This is the most general exceptional value. It is also the default exceptional value..
NegativeInfinity8 Negative infinity of numbers..
Other9 The actual value is not an element in the value domain of a variable. (e.g., concept not provided by required code system)..
PositiveInfinity10 Positive infinity of numbers..
SufficientQuantity11 The specific quantity is not known, but is known to be non-zero and is not specified because it makes up the bulk of the material. 'Add 10mg of ingredient X, 50mg of ingredient Y, and sufficient quantity of water to 100mL.' The null flavor would be used to express the quantity of water. .
Trace12 The content is greater than zero, but too small to be quantified..
UnEncoded13 The actual value has not yet been encoded within the approved valueset for the domain..
Unknown14 A proper value is applicable, but not known..
GetCommonParent Gets a common ancestor
IsChildConcept Returns true if a implies implied
CommonAncestorWith Gets a common ancestor

Version Information

Everest Compact Framework

Supported in: 1.2 Compact

Everest Framework

Supported in: 1.2, 1.0

See Also