T32.31

Billable

Corrosions involving 30-39% 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 30-39% of the body surface with moderate deep tissue damage (10-19% third degree burns).

Coding Tips

•Document the need for skin grafting and long-term wound care planning
•Coordinate with burn specialists and document all systemic complications including sepsis risk

Clinical Significance

Corrosions involving 30-39% of body surface area with 10-19% third-degree involvement represent major chemical burn injury requiring immediate specialized intervention and intensive monitoring. This level of chemical exposure often involves significant systemic toxicity risk beyond the local tissue damage, requiring comprehensive toxicological assessment and management alongside aggressive local wound care.

Documentation Requirements

✓Documentation of 30-39% total body surface area chemical involvement
✓Clear documentation that 10-19% of affected area has third-degree corrosion
✓Identification of the causative chemical and exposure circumstances
✓Detailed documentation of emergency decontamination procedures
✓Assessment of chemical burn progression and depth over time
✓Evidence of toxicology consultation and systemic monitoring
✓Documentation of specialized chemical burn treatment protocols
✓Assessment of respiratory involvement if inhalation exposure occurred

Commonly Confused Codes

T31.31 — Thermal burns 30-39% TBSA with 10-19% third degree (thermal, not chemical)T32.30 — Corrosions 30-39% TBSA with no third degree involvement T32.32 — Corrosions 30-39% TBSA with 20-29% third degree (more third-degree)T32.21 — Corrosions 20-29% TBSA with 10-19% third degree (smaller total area)T32.41 — Corrosions 40-49% TBSA with 10-19% third degree (larger total area)

Code Hierarchy

└T32Corrosions classified according to extent of body surface involved └T32.3Corrosions involving 30-39% of body surface └T32.31Corrosions involving 30-39% of body surface with 10-19% third degree corrosion

└T32.31Corrosions involving 30-39% of body surface with 10-19% third degree corrosion