ICD 10 Place of Occurance

There are times when coding our ED accounts that the physician does not state a place of occurance in the chart on an initial encounter for an injury.

Per the coding guidelines a place of occurance is to be used once at the initial encounter. The guidelines then states not to use the occurance code
Y92.9 if the place is not stated.

My question is, is Y92.9 to be used because it's the initial encounter or not because where it happened is not documented.

thanks so much!

ICD 10 Place of Occurance