Wiki UB04 electronic claim Diagnosis code limit

UB04 Instructions Field Number 67 states "Enter the Principle diagnosis"
UB04 Instructions Field Number 67 A-Q states "Enter up to 16 codes for other diagnoses"

 
Yes, that is how many is on the actual paper UB04 allows. Do we know what the limit is when the UB04 is submitted electronically? The electronic claim allows many more DX and ICD-10 procedure codes than the paper form.
 
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