T32.74 Corrosions involving 70-79% of body surface with 40-49% third degree corrosion

✓ Billable HCC ⓘ ICD-10-CM 2026

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The ICD-10-CM code for Corrosions involving 70-79% of body surface with 40-49% third degree corrosion is T32.74 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T30-T32: Burns and corrosions of multiple and unspecified body regions (T30-T32)
Category T32
65 codes (55 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to T32.74:

  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › unspecified site with extent of body surface involved specified › 70-79 percent (0-9 percent third degree) › with › 40-49 percent third degree
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › extent (percentage of body surface) › 70-79 percent (0-9 percent third degree) › with › 40-49 percent third degree

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference T32.74 with the canonical source and edition:

T32.74 — Corrosions involving 70-79% of body surface with 40-49% third degree corrosion. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T32.74

Canonical URL: https://icd10codingpro.com/codes/T32.74

Related Codes

Parent Code

T32.7 Corrosions involving 70-79% of body surface

Other Codes Under T32.7

T32.70 Corrosions involving 70-79% of body surface with 0% to 9% third degree corrosion T32.71 Corrosions involving 70-79% of body surface with 10-19% third degree corrosion T32.72 Corrosions involving 70-79% of body surface with 20-29% third degree corrosion T32.73 Corrosions involving 70-79% of body surface with 30-39% third degree corrosion T32.75 Corrosions involving 70-79% of body surface with 50-59% third degree corrosion T32.76 Corrosions involving 70-79% of body surface with 60-69% third degree corrosion T32.77 Corrosions involving 70-79% of body surface with 70-79% third degree corrosion
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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