Full Answer
The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
820.8 is a legacy non-billable code used to specify a medical diagnosis of closed fracture of unspecified part of neck of femur. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
As of October 2015, ICD-9 codes are no longer used for medical coding. Instead, use the following two equivalent ICD-10-CM codes, which are an approximate match to ICD-9 code 820.9:
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.