AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; ICD-10-CM NEW/REVISED CODES
Ectopic and Molar Pregnancy
Ten new codes have been created to capture multiple gestation pregnancy with or without co-existing ectopic and intrauterine pregnancies. An ectopic pregnancy occurs when a fertilized ovum is implanted and develops anywhere outside the uterus. Utilization of assisted reproductive technologies has resulted in an increase in multiple gestational pregnancies in which an intrauterine pregnancy may coexist with an ectopic pregnancy. The fourth character indicates the extrauterine location of the ectopic pregnancy (i.e., abdominal, tubal, ovarian, other, etc.), and the fifth character indicates with or without intrauterine pregnancy. The codes describing ectopic pregnancy are as follows: O00.00 ...
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Article Overview
This article explains an ICD-10-CM update affecting obstetric coding for ectopic pregnancy and supervision of pregnancy when there is a prior history of ectopic or molar pregnancy. It is relevant to coders, billers, and maternity-focused clinical documentation teams who need to understand the scope of the newly created and revised diagnosis categories, the affected pregnancy locations, and the trimester-based supervision framework.
Why This Topic Matters
These updates change how certain pregnancy encounters are categorized in ICD-10-CM and help ensure documentation reflects both the type of ectopic presentation and whether a prior pregnancy history places the patient in a higher-risk supervision category.
Article Sections
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Ectopic pregnancy code updates
This section introduces the coding changes for ectopic pregnancy and explains the broad classification structure used to distinguish locations and pregnancy context.
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History of ectopic or molar pregnancy supervision codes
This section covers revised and newly created obstetric supervision categories tied to a prior history of ectopic or molar pregnancy, including trimester-specific grouping.
What You Will Learn
- The general scope of the ICD-10-CM pregnancy-related code changes described in the article
- How the article organizes ectopic pregnancy categories by location and pregnancy context
- How supervision codes are grouped for patients with a prior history of ectopic or molar pregnancy
- Which obstetric encounter categories were revised or newly added in the update
Who Should Read This
- Medical coders
- Coding auditors
- Obstetric billing staff
- Maternity documentation specialists
- Revenue cycle teams
Codes Discussed
Code Ranges Discussed
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