AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; New/Revised ICD-10-CM Codes
Heparin-Induced Thrombocytopenia
Code D75.82, Heparin induced thrombocytopenia (HIT) was expanded and new codes were created to identify the different types of HIT as follows:D75.821, Non-immune heparin-induced thrombocytopenia D75.822, Immune-mediated heparin-induced thrombocytopenia D75.828, Other heparin-induced thrombocytopenia syndrome D75.829, Heparin-induced thrombocytopenia, unspecified Code D75.84, Other platelet-activating anti-PF4 disorders, was also created to classify conditions such as spontaneous heparin-induced thrombocytopenia syndrome (without heparin exposure), thrombosis with thrombocytopenia syndrome, and vaccine-induced thrombotic thrombocytopenia.HIT is a decrease in platelet count that occurs during or shortly after exposure to heparin, which is used to prevent or treat blood clots. HIT...
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Article Overview
This article covers how heparin-induced thrombocytopenia and related disorders are organized in ICD-10-CM, with emphasis on the expansion of the category and the addition of related diagnostic codes. It also provides a general clinical discussion of HIT types, related thrombotic risk, and autoimmune variants. The content is relevant to coding professionals, clinical documentation specialists, and clinicians who need a broad understanding of how these conditions are grouped for coding purposes.
Why This Topic Matters
HIT is a clinically significant adverse drug-related condition, and the article highlights changes that affect how related diagnoses are classified in ICD-10-CM. It is useful for readers who need to understand the scope of the category and the types of conditions now included in the broader diagnostic grouping.
What You Will Learn
- How the heparin-induced thrombocytopenia category has been expanded in ICD-10-CM
- What broader conditions are grouped with platelet-activating anti-PF4 disorders
- The general clinical forms and features of HIT
- How autoimmune HIT differs from the classic presentation at a high level
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Healthcare providers
- Revenue cycle staff
Codes Discussed
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