AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Quarter 4; New/Revised ICD-10-CM Codes
Toxic Effect of Hexamethylene Diisocyanate
Subcategory T59.82 , Toxic effects of hexamethylene diisocyanate, has been created with unique codes to identify hexamethylene diisocyanate (HDI) toxicity: T59.821 Toxic effect of hexamethylene diisocyanate, accidental (unintentional) T59.822 Toxic effect of hexamethylene diisocyanate, intentional self-harm T59.823 Toxic effect of hexamethylene diisocyanate, assault T59.824 Toxic effect of hexamethylene diisocyanate, undetermined The appropriate seventh character should be added to capture the episode of care. HDI is a hardening agent used in vehicle paints. It is a component of Chemical Agent Resistant Coating (CARC) paints used on military vehicles, especially during the Gulf War. Exposure is typically...
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Article Overview
The article discusses a coding update concerning hexamethylene diisocyanate (HDI), a chemical associated with vehicle paints, including military coatings. It also summarizes exposure routes and broad categories of acute and chronic health effects. The content may be relevant to medical coders and healthcare professionals concerned with toxic exposures.
Why This Topic Matters
The article connects a specific chemical exposure topic with diagnosis coding and general health information, making it relevant to professionals who work with toxic exposures or related medical records.
What You Will Learn
- The scope of the ICD-10-CM update concerning HDI toxicity.
- Common contexts and routes of HDI exposure described in the article.
- Broad categories of health effects associated with acute and chronic exposure.
- intended_audiences
Who Should Read This
- Medical coders and billing professionals
- Healthcare providers
- Occupational and environmental health professionals
Codes Discussed
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