AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Quarter 4; New/Revised ICD-10-CM Codes
Lacunar Infarction
A patient is admitted to the hospital due to altered mental status, gait imbalance and vertigo. The patient is diagnosed with an acute lacunar infarct and encephalopathy secondary to the lacunar infarction. How should this be coded? ...
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Article Overview
This premium article reviews an ICD-10-CM cerebrovascular coding update affecting lacunar infarction and related cerebral infarction terminology. It is intended for coding professionals, compliance staff, and clinical documentation reviewers who need to understand the scope of the classification change and its relationship to associated neurologic syndromes and secondary diagnoses. The article also includes a coding scenario illustrating how the topic is approached in a hospital inpatient setting.
Why This Topic Matters
Lacunar infarction is a common stroke subtype with coding implications that can affect diagnosis reporting accuracy and documentation review. Understanding the updated ICD-10-CM structure helps coders and auditors align chart language with the correct cerebrovascular category and related neurologic conditions.
Article Sections
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ICD-10-CM code update for cerebral infarction
This section discusses a revision to the cerebral infarction category and the creation of new related codes. It places the update in the context of lacunar infarction terminology and classification.
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Clinical background on lacunar infarcts
This section provides a general overview of lacunar infarcts, including broad anatomic and clinical context. It also references related lacunar syndrome groupings within ICD-10-CM.
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Hospital coding scenario
This section presents an inpatient documentation scenario involving lacunar infarction and a secondary neurologic condition. It frames the article’s practical coding discussion without giving detailed rule explanations.
What You Will Learn
- How lacunar infarction is discussed within the ICD-10-CM cerebrovascular classification
- What broader clinical context is associated with lacunar infarcts
- How the article approaches a hospital coding scenario involving a lacunar infarct and a secondary neurologic diagnosis
- Which related lacunar syndrome groupings are referenced in current ICD-10-CM
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation integrity specialists
- Compliance professionals
- Health information management staff
Codes Discussed
Code Ranges Discussed
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