722.52 is a legacy non-billable code used to specify a medical diagnosis of degeneration of lumbar or lumbosacral intervertebral disc. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
Full Answer
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 722.52:
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.