AHA Coding Clinic® for ICD-9 - 2008 Quarter 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Headaches
A 35-year-old female with known history of migraines presented to the emergency department complaining of extreme head pain, seeing flashing lights, and paralysis of the left arm. Past history reveals that the patient is a smoker and is on oral contraceptives. She was diagnosed with ischemic stroke and persistent migraine with visual aura with cerebral infarction, and admitted to the hospital for treatment of the stroke. The paralysis of the arm abated and the patient was discharged in good condition. How should this be coded? ...
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Article Overview
This article explains a coding update for headache and migraine classification that became effective October 1, 2008. It is aimed at coders and clinicians who need to understand how the headache-related categories were reorganized, how migraine specificity was expanded, and how related exclusions and subclassification changes were applied within ICD-9-CM. The content also includes a clinical scenario illustrating the broader topic of headache and migraine coding in the context of another diagnosis.
Why This Topic Matters
Headache and migraine documentation can be nonspecific, and the article highlights changes intended to improve classification accuracy and consistency. It helps readers recognize when revised categories, subcategories, and related diagnosis groupings are involved in medical record coding.
Article Sections
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Overview of headache and migraine classification changes
Introduces the coding update, the effective date, and the general purpose of the classification changes. It also identifies the organizations and terminology influences behind the revision.
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Other headache syndromes (339)
Summarizes the newly organized headache syndrome category and its subcategories. It presents the broader groupings covered by the revision and the related exclusions.
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Migraine (346)
Describes the revised migraine category, including the expanded fifth-digit structure and the broader set of migraine subcategories. It also notes the related exclusions and terminology updates.
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Clinical example
Provides a patient scenario involving headache, migraine, and another acute diagnosis. It shows how the article applies the classification concepts in a real-world hospital setting.
What You Will Learn
- How the headache classification update reorganized major diagnostic categories
- What general types of headache syndromes are covered in the revision
- How the migraine category was expanded for greater specificity
- Why documentation and terminology matter for headache-related coding
- How a clinical example connects headache coding concepts with inpatient diagnosis assignment
Who Should Read This
- Medical coders
- Coding auditors
- Clinicians documenting headache diagnoses
- Revenue cycle professionals
- Health information management staff
Codes Discussed
Code Ranges Discussed
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