HCPro, JustCoding Outpatient - 2015 Issue 34 (September)
Review changes to coding guidelines for reporting diagnoses before implementation
September 16th, 2015
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Article Overview
This article reviews the main differences between ICD-9-CM and ICD-10-CM coding guidelines for diagnosis reporting. It is aimed at coders, auditors, and coding educators who need a broad understanding of how ICD-10-CM guidance is organized and what kinds of documentation and reporting topics changed before implementation. The discussion covers guideline structure, notation changes, and broad subject areas such as neoplasms, diabetes, mental and behavioral disorders, respiratory conditions, pregnancy, newborn conditions, signs and symptoms, poisonings, and other diagnosis categories.
Why This Topic Matters
Understanding the scope of ICD-10-CM guideline changes helps coding professionals prepare for more detailed documentation review and more accurate diagnosis reporting across common clinical areas.
Article Sections
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General differences
Compares broad structural differences between the coding systems and notes changes in how diagnoses are organized and reported.
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Notation differences
Explains how the reporting notes used in the tabular list differ between the two guideline sets and why that matters for diagnosis review.
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Reporting neoplasms
Summarizes the expanded guidance related to neoplasm reporting and related oncology scenarios.
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Reporting diabetes mellitus
Covers the updated diabetes mellitus guidance and the broader impact on diagnosis reporting for this condition.
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Reporting mental and behavioral disorders
Describes the availability of official guidance for mental and behavioral disorder reporting in the updated code set.
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Reporting diseases of the nervous system
Highlights new reporting direction for certain neurologic conditions and related laterality concepts.
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Reporting hypertension
Reviews the changes affecting hypertension-related diagnosis reporting guidance.
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Reporting respiratory conditions
Addresses revised respiratory condition guidance, including areas where prior guidance was not carried forward and where new direction was added.
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Reporting pregnancy-related conditions
Summarizes the pregnancy-related reporting topics that require additional specificity in the updated guidelines.
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Reporting pressure ulcers
Notes the changes related to pressure ulcer reporting and the use of combined site-and-stage coding concepts.
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Reporting musculoskeletal conditions
Covers updated guidance for musculoskeletal diagnosis reporting, including laterality and condition complexity.
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Reporting newborn (perinatal) conditions
Reviews expanded reporting guidance for newborn and other perinatal conditions.
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Reporting signs and symptoms
Summarizes the new and expanded guidance for reporting signs, symptoms, and other nonspecific clinical presentations.
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Reporting poisonings
Describes the expanded poisoning-related reporting guidance and related substance-exposure topics.
What You Will Learn
- How ICD-10-CM guideline organization compares with ICD-9-CM
- Which broad diagnosis categories received new or expanded guidance
- What types of documentation details became more important under ICD-10-CM
- How reporting conventions changed across several common clinical areas
- Where coding education should focus before implementation of updated diagnosis guidelines
Who Should Read This
- Medical coders
- Coding auditors
- Coding educators
- Health information management professionals
- Revenue cycle staff
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