T32.41

Billable

Corrosions involving 40-49% of body surface with 10-19% third degree corrosion

HCC Category Mapping

V28HCC 385 — Severe Skin Burn or Condition

0.350

V24HCC 162 — Severe Skin Burn or Condition

0.517

ESRDHCC 162 — Severe Skin Burn or Condition

0.000

What This Code Means

Chemical burn affecting 40-49% of the body surface, with the most severe burns (third degree) covering 10-19% of the affected area.

Coding Tips

•Always document both the total body surface area percentage and the percentage of third-degree corrosion separately
•Corrosion codes require documentation of the causative agent (acid, alkali, etc.) in addition to the extent codes

Clinical Significance

Corrosions involving 40-49% of body surface area with 10-19% third-degree involvement represent life-threatening major chemical burn injury with high mortality and morbidity risk. This level of chemical exposure requires immediate admission to a specialized chemical burn center with capability for complex decontamination, systemic toxicity management, and intensive care to address both local tissue damage and potential organ system toxicity.

Documentation Requirements

✓Documentation of 40-49% total body surface area chemical involvement
✓Clear documentation that 10-19% of affected area has third-degree corrosion
✓Identification of the specific chemical agent and exposure circumstances
✓Comprehensive emergency decontamination procedure documentation
✓Assessment of chemical burn progression and systemic absorption
✓Evidence of chemical burn center admission and specialized protocols
✓Documentation of toxicology consultation and systemic monitoring
✓Surgical evaluation for debridement and reconstruction planning

Commonly Confused Codes

T31.41 — Thermal burns 40-49% TBSA with 10-19% third degree (thermal, not chemical)T32.40 — Corrosions 40-49% TBSA with no third degree involvement T32.42 — Corrosions 40-49% TBSA with 20-29% third degree (more third-degree)T32.31 — Corrosions 30-39% TBSA with 10-19% third degree (smaller total area)T32.51 — Corrosions 50-59% TBSA with 10-19% third degree (larger total area)

Code Hierarchy

└T32Corrosions classified according to extent of body surface involved └T32.4Corrosions involving 40-49% of body surface └T32.41Corrosions involving 40-49% of body surface with 10-19% third degree corrosion

└T32.41Corrosions involving 40-49% of body surface with 10-19% third degree corrosion