Home > 2006 ICD-9-CM Diagnosis Codes > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Complications Mainly Related To Pregnancy 640-649 > Late pregnancy 645-
Specific code 2006 ICD-9-CM Diagnosis Code 645.20
Prolonged pregnancy unspecified episode of care
  • Short description: PROLONGED PREG-UNSP.
  • ICD-9-CM 645.20 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 645.20 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 2006 version of ICD-9-CM 645.20.
  • More recent version(s) of ICD-9-CM 645.20: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 645.20 converts approximately to:
  • 2015/16 ICD-10-CM O48.1 Prolonged pregnancy
Approximate Synonyms
  • Post-term pregnancy
  • Prolonged pregnancy
  • Prolonged pregnancy, over 42 weeks
 645.2 ICD9Data.com 645.21 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 645.20 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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