Specific code 2010 ICD-9-CM Diagnosis Code 642.73
Pre-eclampsia or eclampsia superimposed on pre-existing hypertension antepartum
  • Short description: Tox w old hyper-antepart.
  • ICD-9-CM 642.73 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 642.73 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 2010 version of ICD-9-CM 642.73.
  • More recent version(s) of ICD-9-CM 642.73: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 642.73 converts approximately to:
  • 2015/16 ICD-10-CM O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
  • 2015/16 ICD-10-CM O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
  • 2015/16 ICD-10-CM O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 642.73 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.