dx code for abnormal kidney function
2012 ICD-9-CM Diagnosis Code 794.4. Nonspecific abnormal results of function study of kidney. Short description: Abn kidney funct study. ICD-9-CM 794.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 794.4 should only be used for claims with a date of service on or before September 30, 2015.