Home > 2006 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-338 > Other cerebral degenerations 331-
Specific code 2006 ICD-9-CM Diagnosis Code 331.2
Senile degeneration of brain
  • Short description: SENILE DEGENERAT BRAIN.
  • ICD-9-CM 331.2 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 331.2 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 331.2.
  • More recent version(s) of ICD-9-CM 331.2: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 331.2 converts directly to:
  • 2015/16 ICD-10-CM G31.1 Senile degeneration of brain, not elsewhere classified
Approximate Synonyms
  • Age-related degeneration of brain
331.2 Excludes
  • senility NOS (797)
ICD-9-CM Volume 2 Index entries containing back-references to 331.2:
 331.19 ICD9Data.com 331.3 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 331.2 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes