Convert to ICD-10-CM: 
V12.1 converts approximately to:
- 2015/16 ICD-10-CM Z86.39 Personal history of other endocrine, nutritional and metabolic disease
 ICD-9-CM Volume 2 Index entries containing back-references to 
V12.1:
- History (personal) of nutritional deficiency V12.1 nutritional deficiency V12.1