octoHealth

T21.50

Non-billable

Corrosion of first degree of trunk, unspecified site

Chapter 19: Injury, poisoning and certain other consequences of external causes

Additional Information

From parent codes: S00-T88 (Chapter 19)

Excludes 1 — Not Coded HereFrom S00-T88

Excludes1 means 'NOT CODED HERE!' An Excludes1 note indicates mutually exclusive codes: two conditions that cannot be reported together.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom S00-T88

The 'use additional code' note instructs that a secondary code should be added to provide more detail.

  • code to identify any retained foreign body, if applicable (Z18.-)

More Specific Codes (12)

T21.5Corrosion of first degree of trunk→T21.51Corrosion of first degree of chest wall→T21.52Corrosion of first degree of abdominal wall→T21.53Corrosion of first degree of upper back→T21.54Corrosion of first degree of lower back→T21.55Corrosion of first degree of buttock→T21.56Corrosion of first degree of male genital region→T21.57Corrosion of first degree of female genital region→T21.59Corrosion of first degree of other site of trunk→T21.50XACorrosion of first degree of trunk, unspecified site (initial encounter)→T21.50XDCorrosion of first degree of trunk, unspecified site (subsequent encounter)→T21.50XSCorrosion of first degree of trunk, unspecified site (sequela)→