596.51 is a legacy non-billable code used to specify a medical diagnosis of hypertonicity of bladder. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
Code will be replaced by October 2015 and relabeled as ICD-10-CM 596.51. Overactive bladder is also known as bladder muscle dysfunction- overactive and overactive bladder. This applies to hyperactivity and overactive bladder.
Diagnosis Index entries containing back-references to N31.9: Disorder (of) - see also Disease bladder N32.9 ICD-10-CM Diagnosis Code N32.9 Dysfunction bladder N31.9 neuromuscular NOS N31.9 Neurogenic - see also condition bladder N31.9 - see also Dysfunction, bladder, neuromuscular Neuropathy, neuropathic G62.9 ICD-10-CM Diagnosis Code G62.9
ICD-9-CM 596.51 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 596.51 should only be used for claims with a date of service on or before September 30, 2015.
Overactive bladder is also known as bladder muscle dysfunction- overactive and overactive bladder. This applies to hyperactivity and overactive bladder.
Overactive bladder is an issue with the bladder storage function that causes a very sudden and urgent need to urinate. The urges can be very difficult to control and stop and often lead to involuntary loss of urine.
As of October 2015, ICD-9 codes are no longer used for medical coding. Instead, use this equivalent ICD-10-CM code, which is an exact match to ICD-9 code 596:
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.