Specific code 2011 ICD-9-CM Diagnosis Code 033.1
Whooping cough due to bordetella parapertussis (b. parapertussis)
  • Short description: Bordetella parapertussis.
  • ICD-9-CM 033.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 033.1 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 2011 version of ICD-9-CM 033.1.
  • More recent version(s) of ICD-9-CM 033.1: 2012 2013 2014 2015.
Convert to ICD-10-CM: 033.1 converts approximately to:
  • 2015/16 ICD-10-CM A37.10 Whooping cough due to Bordetella parapertussis without pneumonia
Approximate Synonyms
  • Bordetella parapertussis infection
  • Infection due to Bordetella parapertussis
  • Pneumonia due to Bordetella parapertussis
  • Whooping cough due to Bordetella parapertussis w pneumonia
  • Whooping cough due to Bordetella with pneumonia
ICD-9-CM Volume 2 Index entries containing back-references to 033.1:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 033.1 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.