Specific code 2013 ICD-9-CM Diagnosis Code 671.33
Deep phlebothrombosis, antepartum, antepartum condition or complication
  • Short description: Deep vein thromb-antepar.
  • ICD-9-CM 671.33 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 671.33 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 2013 version of ICD-9-CM 671.33.
  • More recent version(s) of ICD-9-CM 671.33: 2014 2015.
Convert to ICD-10-CM: 671.33 converts approximately to:
  • 2015/16 ICD-10-CM O22.31 Deep phlebothrombosis in pregnancy, first trimester
  • 2015/16 ICD-10-CM O22.32 Deep phlebothrombosis in pregnancy, second trimester
  • 2015/16 ICD-10-CM O22.33 Deep phlebothrombosis in pregnancy, third trimester
Approximate Synonyms
  • Antenatal deep vein thrombosis with antenatal complication
  • Deep vein thrombosis (clot) in pregnancy
  • DVT in pregnancy
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 671.33 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 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.