Convert ICD-10 Code N21.8 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
N21.8 Other lower urinary tract calculus		594.8 Lower urin calcul NEC

ICD-10 to ICD-9 crosswalk for code N21.8 - other lower urinary tract calculus based on the most recent General Equivalence Mappings (GEMS) information.