AHA Coding Clinic® for ICD-9 - 2008 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Cervical Shortening
Effective October 1, 2008, code 649.7, Cervical shortening, has been created to identify a cervix that has shortened to less than 25 millimeters in length by the 16th week of pregnancy. Cervical shortening is a warning sign for impending premature delivery (less than 37 weeks gestation) among women who have previously given birth prematurely. Serial evaluations of cervical length by endovaginal sonography in the period between 16-18 weeks, predicts spontaneous preterm birth before 35 weeks gestation in high risk women. The examination should be repeated because of the inability to adequately distinguish the cervix from the lower uterine...
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Article Overview
This premium coding article covers a pregnancy-related condition category and the creation of a specific diagnosis code for cervical shortening, with discussion of the clinical context in which cervical length assessment is used. It also includes a brief coding example involving obstetric admission and associated procedure coding, making it relevant to coders working in maternal-fetal medicine, obstetrics, and inpatient diagnosis/procedure classification.
Why This Topic Matters
Cervical shortening is associated with elevated obstetric risk and may affect how pregnancy-related conditions and related procedures are documented and coded. The article helps coders understand the scope of the topic, the diagnostic setting, and the type of coding example included in the premium content.
Article Sections
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Clinical background and coding context
Introduces the pregnancy-related condition category and explains the broader clinical context in which cervical length is assessed during gestation. The section also frames why this topic is relevant to obstetric coding and maternal risk assessment.
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Code listing and exclusions
Presents the relevant diagnosis category, the newly created specific code, and an exclusion note tied to the topic. This section is focused on the code structure and scope of the condition category.
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Coding example
Provides an admission-based example involving the condition and associated procedures. The example illustrates the type of documentation and coding scenario discussed in the article without reproducing the full decision process.
What You Will Learn
- How the article frames cervical shortening within pregnancy-related diagnosis coding
- What broad type of code category and specific diagnosis code the article addresses
- What kind of obstetric coding example is included in the premium content
- How the topic connects to maternal-fetal medicine and procedure coding
Who Should Read This
- Medical coders
- Obstetric and maternal-fetal medicine coding staff
- Inpatient coding professionals
- Clinical documentation improvement specialists
- Revenue cycle and coding auditors
Codes Discussed
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