Specific code 2014 ICD-9-CM Diagnosis Code 766.22
Prolonged gestation of infant
  • Billable Code
  • Newborn/Neonate Only Dx (0 years)
  • Short description: Prolong gestation-infant.
  • ICD-9-CM 766.22 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 766.22 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Applies To
  • Infant with gestation period over 42 completed weeks
  • Postmaturity NOS
ICD-9-CM Coding Information
  • 766.22 is only applicable to newborns of age 0 years.
Convert to ICD-10-CM: 766.22 converts directly to:
  • 2014 ICD-10-CM P08.22 Prolonged gestation of newborn
ICD-9-CM Volume 2 Index entries containing back-references to 766.22:
  • Ballantyne (-Runge) syndrome (postmaturity) 766.22
  • Clifford's syndrome (postmaturity) 766.22
  • Hypermaturity (fetus or newborn)
    • prolonged gestation infant 766.22
  • Infant - see also condition
    • prolonged gestation of (period over 42 completed weeks) 766.22
  • Late - see also condition
    • infant
      • post-term (gestation period over 40 completed weeks to 42 completed weeks) 766.21
      • prolonged gestation (period over 42 completed weeks) 766.22
  • Postmaturity, postmature (fetus or newborn) (gestation period over 42 completed weeks) 766.22
    • affecting management of pregnancy
      • post-term pregnancy 645.1
      • prolonged pregnancy 645.2
    • syndrome 766.22
  • Prolonged, prolongation
    • gestation syndrome 766.22
  • Runge's syndrome (postmaturity) 766.22
  • Syndrome - see also Disease
    • Ballantyne (-Runge) (postmaturity) 766.22
    • Clifford's (postmaturity) 766.22
    • postmature (of newborn) 766.22
    • prolonged gestation 766.22
    • Runge's (postmaturity) 766.22
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 766.22 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.