2c389a02__Specifications___openEHR_wiki__openEHR_equivalent
[0] 4 [Code mnemonic] PINF [Rubric] positive infinity [Description] Positive infinity of numbers. [openEHR equivalent] 
Modelled in Interval and DV_INTERVAL classes. Note: this concept has nothing to do with null flavours or missing data. ditto above
Null Flavours and Boolean data in openEHR - Specifications - openEHR wiki
openEHR equivalent