Preterm Delivery due to Induction

A 30-year-old woman, 35 weeks pregnant with twins, presented to triage for evaluation after a sonogram showed baby A with oligohydramnios and baby B with intrauterine growth retardation (IUGR). The patient agreed to proceed with induction of labor and was admitted to labor and delivery. She was induced with Cervidil, due to IUGR, and viable twins were delivered by normal spontaneous vaginal delivery with no complications. The discharge diagnosis indicates preterm delivery. Is it appropriate to assign code 644.21, Early onset of delivery, delivered, with or without mention of antepartum condition, in a patient admitted for induction of labor? If it is appropriate to assign code 644.21, would it be the principal or secondary diagnosis? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This coding Q&A focuses on a labor and delivery scenario involving induction during a preterm twin pregnancy and asks how to classify the delivery diagnosis in an inpatient setting. It is relevant to coders, CDI specialists, and billing staff working with obstetric admissions, pregnancy complications, and principal-versus-secondary diagnosis assignment. The article addresses the coding question at a general level and centers on obstetric diagnosis classification and diagnosis sequencing.

Why This Topic Matters

Obstetric admissions can require careful distinction between the reason for admission, the delivery event, and any associated antepartum conditions. Understanding how a preterm induction case is discussed in coding guidance helps support accurate inpatient diagnosis assignment and reporting.

What You Will Learn

  • How a preterm induction delivery scenario is framed for coding review.
  • How the article approaches the relationship between the admission reason and the delivery diagnosis.
  • How diagnosis sequencing questions arise in obstetric inpatient cases.
  • intended_audiences([

Who Should Read This

  • Medical coders
  • Inpatient obstetric coding staff
  • CDI specialists
  • Billing and reimbursement professionals

Codes Discussed


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