T32.33

Billable

Corrosions involving 30-39% of body surface with 30-39% 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 30-39% of the body surface with extensive deep tissue damage (30-39% third degree burns).

Coding Tips

•This represents a life-threatening injury with high mortality risk requiring immediate resuscitation
•Ensure comprehensive documentation of all body systems affected and all interventions performed

Clinical Significance

Corrosions involving 30-39% of body surface area where all affected tissue (30-39%) is third-degree represents catastrophic chemical burn injury with extremely high mortality risk. This pattern indicates aggressive chemical action causing complete tissue destruction across the entire affected area, requiring immediate life-sustaining interventions, specialized chemical burn protocols, and comprehensive management of systemic toxicity.

Documentation Requirements

✓Documentation that 30-39% of total body surface area has chemical corrosion
✓Clear documentation that all affected areas (30-39%) are third-degree
✓Identification of the causative chemical agent and exposure details
✓Comprehensive emergency decontamination and neutralization documentation
✓Assessment confirming complete tissue destruction through all layers
✓Evidence of immediate chemical burn center admission
✓Documentation of systemic toxicity assessment and antidotal therapy
✓Surgical planning for extensive reconstruction and life-saving procedures

Commonly Confused Codes

T31.33 — Thermal burns 30-39% TBSA with 30-39% third degree (thermal, not chemical)T32.32 — Corrosions 30-39% TBSA with 20-29% third degree (not all third-degree)T32.44 — Corrosions 40-49% TBSA with 40-49% third degree (larger area)T32.22 — Corrosions 20-29% TBSA with 20-29% third degree (smaller area)T32.31 — Corrosions 30-39% TBSA with 10-19% third degree (much less third-degree)

Code Hierarchy

└T32Corrosions classified according to extent of body surface involved └T32.3Corrosions involving 30-39% of body surface └T32.33Corrosions involving 30-39% of body surface with 30-39% third degree corrosion

└T32.33Corrosions involving 30-39% of body surface with 30-39% third degree corrosion