ICD-10-CM diagnosis code
T32.22 Corrosions involving 20-29% of body surface with 20-29% third degree corrosion
- Billable
- Yes, a complete code (FY2026)
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Other codes in T32
55 complete codes in this category.
- T32.0Corrosions involving less than 10% of body surface
- T32.10Corrosions involving 10-19% of body surface with 0% to 9% third degree corrosion
- T32.11Corrosions involving 10-19% of body surface with 10-19% third degree corrosion
- T32.20Corrosions involving 20-29% of body surface with 0% to 9% third degree corrosion
- T32.21Corrosions involving 20-29% of body surface with 10-19% third degree corrosion
- T32.22Corrosions involving 20-29% of body surface with 20-29% third degree corrosion
- T32.30Corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion
- T32.31Corrosions involving 30-39% of body surface with 10-19% third degree corrosion
- T32.32Corrosions involving 30-39% of body surface with 20-29% third degree corrosion
- T32.33Corrosions involving 30-39% of body surface with 30-39% third degree corrosion
- T32.40Corrosions involving 40-49% of body surface with 0% to 9% third degree corrosion
- T32.41Corrosions involving 40-49% of body surface with 10-19% third degree corrosion
Documentation tips
- Make sure the note supports every element of the title, “Corrosions involving 20-29% of body surface with 20-29% third degree corrosion”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to T32.
The international WHO ICD-10 also has T32, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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