Lot Number as per HL7 IG (HL7 CDA R2: QRDA I, R1, STU Release 5.1) is a 'SHOULD' condition.

Example:

<manufacturedMaterial><manufacturedMaterial> <code code="33" codeSystem="2.16.840.1.113883.12.292" codeSystemName="CVX"/> <lotNumberText>1</lotNumberText> </manufacturedMaterial>

However, Cypress is failing this measure by making this criteria as 'SHALL' condition. 

Example: 

Measure CMS127, Patient Name is 0_Amber_Hawkins

Cypress Error: This manufacturedMaterial SHALL contain exactly one [1..1] lotNumberText (CONF:1098-9014).

This error is also observed in CMS147.