2010 ICD-9-CM Diagnosis Code 301.21
Introverted personality
- ICD-9-CM 301.21 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2010 version of ICD-9-CM 301.21.
- More recent version(s) of ICD-9-CM 301.21: 2011 2012.
301.21 Alternative Terminology
Convert 301.21 to ICD-10-CM 

ICD-9-CM Volume 2 Index entries containing back-references to 301.21: