Home > 2007 ICD-9-CM Diagnosis Codes > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Complications Mainly Related To Pregnancy 640-649 > Hypertension complicating pregnancy childbirth and the puerperium 642-
Specific code 2007 ICD-9-CM Diagnosis Code 642.20
Other pre-existing hypertension complicating pregnancy childbirth and the puerperium unspecified as to episode of care
  • Short description: OLD HYPERTEN PREG-UNSPEC.
  • ICD-9-CM 642.20 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 642.20 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 2007 version of ICD-9-CM 642.20.
  • More recent version(s) of ICD-9-CM 642.20: 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 642.20 converts approximately to:
  • 2015/16 ICD-10-CM O10.119 Pre-existing hypertensive heart disease complicating pregnancy, unspecified trimester
    Or:
  • 2015/16 ICD-10-CM O10.219 Pre-existing hypertensive chronic kidney disease complicating pregnancy, unspecified trimester
    Or:
  • 2015/16 ICD-10-CM O10.319 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, unspecified trimester
    Or:
  • 2015/16 ICD-10-CM O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester
Approximate Synonyms
  • HTN in pregnancy, chronic
  • Hypertension in pregnancy, chronic
  • Hypertensive renal disease complicating AND/OR reason for care during puerperium
  • Preexisting hypertension from chronic kidney disease, after childbirth
  • Pre-existing hypertension in obstetric context
  • Preexisting hypertensive CKD, postpartum
  • Preexisting hypertensive heart and chronic kidney disease in postpartum
  • Preexisting hypertensive heart and chronic kidney disease, postpartum (after childbirth)
  • Preexisting hypertensive heart and CKD, postpartum
  • Preexisting hypertensive heart disease, postpartum
  • Preexisting hypertensive heart disease, postpartum (after childbirth)
 642.2 ICD9Data.com 642.21 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 642.20 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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