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T21.7

ICD-10-CM 2027

Corrosion of third degree of trunk

Child codes

  • T21.70 – Corrosion of third degree of trunk, unspecified site
  • T21.71 – Corrosion of third degree of chest wall
  • T21.72 – Corrosion of third degree of abdominal wall
  • T21.73 – Corrosion of third degree of upper back
  • T21.74 – Corrosion of third degree of lower back
  • T21.75 – Corrosion of third degree of buttock
  • T21.76 – Corrosion of third degree of male genital region
  • T21.77 – Corrosion of third degree of female genital region
  • T21.79 – Corrosion of third degree of other site of trunk

Sibling codes

  • T21.0 – Burn of unspecified degree of trunk
  • T21.1 – Burn of first degree of trunk
  • T21.2 – Burn of second degree of trunk
  • T21.3 – Burn of third degree of trunk
  • T21.4 – Corrosion of unspecified degree of trunk
  • T21.5 – Corrosion of first degree of trunk
  • T21.6 – Corrosion of second degree of trunk

Code first

  • (T51-T65) to identify chemical and intent

Use additional code

  • external cause code to identify place (Y92)

Inherited from T21: Burn and corrosion of trunk

7th character

  • A = initial encounter
  • D = subsequent encounter
  • S = sequela

7th character note

  • The appropriate 7th character is to be added to each code from category T21

Excludes2

  • burns and corrosion of axilla (T22.- with fifth character 4)
  • burns and corrosion of scapular region (T22.- with fifth character 6)
  • burns and corrosion of shoulder (T22.- with fifth character 5)

Includes

  • burns and corrosion of hip region

Part of: T21: Burn and corrosion of trunk