Specific code 2010 ICD-9-CM Diagnosis Code 478.31
Partial unilateral paralysis of vocal cords
  • Short description: Vocal paral unilat part.
  • ICD-9-CM 478.31 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.
  • ICD-9-CM 478.31 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 478.31.
  • More recent version(s) of ICD-9-CM 478.31: 2011 2012 2013 2014.
Disease Synonyms
  • Partial paralysis of one vocal cord
  • Unilat partial vocal cord paralysis
  • Unilateral partial vocal cord paralysis
Convert to ICD-10-CM: 478.31 converts approximately to:
  • 2014 ICD-10-CM J38.01 Paralysis of vocal cords and larynx, unilateral
ICD-9-CM Volume 2 Index entries containing back-references to 478.31:
  • Paralysis, paralytic (complete) (incomplete) 344.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 478.31 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.