Determining Completed Weeks of Gestation

Please clarify “completed weeks of gestation” when assigning codes: O48.0, Post-term pregnancy, O48.1, Prolonged pregnancy, O75.82, Onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean section, O02.1, Missed abortion, and O36.4, Maternal care for intrauterine death. ...

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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 article clarifies how gestational age wording is interpreted for a small set of ICD-10-CM pregnancy and obstetric codes. It is relevant for coders, billers, and clinical documentation teams that work with obstetric records and need to understand the article’s guidance on how gestational timing is referenced in the source material.

Why This Topic Matters

Accurate interpretation of gestational-age language affects selection of obstetric diagnosis codes and documentation review. The article is useful for professionals who code pregnancy-related encounters and want to align documentation language with ICD-10-CM terminology.

What You Will Learn

  • How the article frames the meaning of gestational-age terminology in obstetric coding
  • Which ICD-10-CM pregnancy-related codes are used as examples in the discussion
  • How the topic relates to documentation review for obstetric conditions and outcomes
  • Why gestational-age wording matters in pregnancy-related diagnosis assignment

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation specialists
  • Obstetric billing staff
  • Revenue cycle professionals

Codes Discussed

  • ICD-10-CM: O48.0
  • ICD-10-CM: O48.1
  • ICD-10-CM: O75.82
  • ICD-10-CM: O02.1
  • ICD-10-CM: O36.4

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