ICD 9 CM Codes

331.0 Alzheimer's disease
POA Exempt
Billable CodeICD-9-CM  331.0    is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
ICD-9-CM '331.0' will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
GEMS
331.0 direcly converts to ICD-10-CM
ICD-10-CM G30.9 Alzheimer's disease, unspecified
icd9cmvol2 index entry
ICD-9-CM Volume 2 Index entries containing back-references to '.331.0.'
Alzheimer's
atrophic lobar
disease or sclerosis
lobar, atrophic (of brain)
sclerosis, lobar (of brain)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 331.0 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.