2c389a02__Specifications___openEHR_wiki__openEHR_equivalent
[0] 2 [Code mnemonic] INV [Rubric] invalid [Description] The value as represented in the instance is not an element in the constrained value domain of a variable. [openEHR equivalent] 
Q: This seems very similar to OTH. A: OTH is the most common specialisation of this, but is not the only case of this
Null Flavours and Boolean data in openEHR - Specifications - openEHR wiki
openEHR equivalent