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NullFlavor
Lvl | Type, Domain name and/or Mnemonic code | Concept ID | Mnemonic | Print Name | Definition/Description
--- | --- | --- | --- | --- | ---
1 | S: NoInformation (NI) | S10610 | NI | NoInformation | No information whatsoever can be inferred from this exceptional value. This is the most general exceptional value. It is also the default exceptional value.
2 | S: Other (OTH) | S10616 | OTH | other | The actual value is not an element in the value domain of a variable. (e.g., concept not provided by required code system).
3 | L: (NINF) | C10618 | NINF | negative infinity | Negative infinity of numbers.
3 | L: (PINF) | C10617 | PINF | positive infinity | Positive infinity of numbers.
2 | S: Unknown (UNK) | S10612 | UNK | unknown | A proper value is applicable, but not known.
3 | S: AskedButUnknown (ASKU) | S10614 | ASKU | asked but unknown | Information was sought but not found (e.g., patient was asked but didn't know)
4 | L: (NAV) | C10615 | NAV | temporarily unavailable | Information is not available at this time but it is expected that it will be available later.
3 | L: (QS) | C21436 | QS | Sufficient Quantity | 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.
3 | L: (NASK) | C10613 | NASK | not asked | This information has not been sought (e.g., patient was not asked)
3 | L: (TRC) | C21386 | TRC | trace | The content is greater than zero, but too small to be quantified.
2 | L: (MSK) | C17932 | MSK | masked | 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.
2 | L: (NA) | C10611 | NA | not applicable | Known to have no proper value (e.g., last menstrual period for a male).

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Last Published: 03/27/2006 3:35 AM

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