AMA CPT® Assistant - 2011 Issue 11 (November)
Clarification: Perinatal Period Definition (November 2011)
November 2011 page 5 Clarification: Perinatal Period Definition To align with standard international criteria as established by the World Health Organization (WHO) and adopted by the Official ICD-9-CM Guidelines for Coding and Reporting, we are providing clarification on the appropriate reporting of CPT codes that reference the perinatal period. The Official ICD-9-CM Guidelines for Coding and Reporting state, "For coding and reporting purposes, the perinatal period is defined as before birth through the 28th day following birth." This means that the perinatal period continues through the 28th day of life and ends on the 29th calendar day after...
Subscribe or sign in to view the full article.
Article Overview
This article explains a clarification related to perinatal-period timing in CPT reporting and its relationship to the Official ICD-9-CM Guidelines for Coding and Reporting. It is aimed at coders and neonatal clinicians who need to understand the scope of the reporting rule, the affected CPT services, and the general context in which the clarification appears, including its connection to HIPAA transaction standards and relative value unit discussion.
Why This Topic Matters
Accurate interpretation of the perinatal period affects how neonatal and pediatric critical care services are reported. The article helps readers recognize the applicable reporting timeframe and understand why this clarification is considered part of the coding and reporting framework.
Article Sections
-
Clarification: Perinatal Period Definition
Introduces the coding clarification and explains its alignment with international and official reporting guidance. It sets the context for the timing definition and the affected neonatal and pediatric critical care services.
-
Examples and reporting timeline
Presents illustrative scenarios showing how reporting changes across successive days of life. It also references the associated relative value unit comparison and the broader reporting context.
What You Will Learn
- How the article frames the perinatal-period clarification in relation to official coding guidance
- Which categories of CPT services are affected by the clarification
- How the article contextualizes the timing issue for neonatal and pediatric critical care reporting
- Why the clarification is described as relevant to reporting standards and compliance
Who Should Read This
- Medical coders
- Coding compliance staff
- Neonatologists
- Pediatric critical care providers
- Revenue cycle professionals
Codes Discussed
Subscribe or sign in to view the full article.


Quick, Current, Complete - www.findacode.com