Specific code 2011 ICD-9-CM Diagnosis Code 633.91
Unspecified ectopic pregnancy with intrauterine pregnancy
  • Short description: Ectp preg NOS w int preg.
  • ICD-9-CM 633.91 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 633.91 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 633.91.
  • More recent version(s) of ICD-9-CM 633.91: 2012 2013 2014.
Convert to ICD-10-CM: 633.91 converts approximately to:
  • 2014 ICD-10-CM O00.9 Ectopic pregnancy, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 633.91:
  • Gestation (period) - see also Pregnancy
    • ectopic NEC (see also Pregnancy, ectopic) 633.90
      • with intrauterine pregnancy 633.91
  • Hematocele (congenital) (diffuse) (idiopathic) 608.83
    • pelvis, pelvic
      • female 629.0
        • with ectopic pregnancy (see also Pregnancy, ectopic) 633.90
          • with intrauterine pregnancy 633.91
      • male 608.83
  • Pregnancy (single) (uterine) (without sickness) V22.2
    • ectopic (ruptured) NEC 633.90
      • with intrauterine pregnancy 633.91
      • abdominal - see Pregnancy, abdominal
      • affecting fetus or newborn 761.4
      • combined (extrauterine and intrauterine) - see Pregnancy, cornual
      • ovarian - see Pregnancy, ovarian
      • specified type NEC 633.80
        • with intrauterine pregnancy 633.81
        • affecting fetus or newborn 761.4
      • tubal - see Pregnancy, tubal
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 633.91 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.