New code ยท FY2027
Billable: use this code on claims.
- New code, effective October 1, 2026 (FY2027). Before that, this condition was coded as T59.893S.
Code breakdown
T59.823S
- T59CategoryToxic effect of other gases, fumes and vapors
- 8Character 4Toxic effect of other specified gases, fumes and vapors
- 2Character 5Toxic effects of hexamethylene diisocyanate
- 3Character 6Toxic effect of hexamethylene diisocyanate, assault
- S7th charactersequela
Coding notes
Includes (from T59)
- aerosol propellants
Excludes1 (from T59)
- chlorofluorocarbons (T53.5)
7th character (from T59)
- The appropriate 7th character is to be added to each code from category T59
7th characters (category T59)
- A initial encounter
- D subsequent encounter
- S sequela
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ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.