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of first degree of anus

T21.56 Corrosion of first degree of male genital region

Corrosion of first degree of penis

Corrosion of first degree of scrotum

Corrosion of first degree of testis

T21.57 Corrosion of first degree of female genital region

Corrosion of first degree of labium (majus) (minus)

Corrosion of first degree of perineum

Corrosion of first degree of vulva

Excludes2: corrosion of vagina (T28.8)

T21.59 Corrosion of first degree of other site of trunk

T21.6 Corrosion of second degree of trunk

Code first (T51-T65) to identify chemical and intent

Use additional external cause code to identify place (Y92)

T21.60 Corrosion of second degree of trunk, unspecified site

T21.61 Corrosion of second degree of chest wall

Corrosion of second degree of breast

T21.62 Corrosion of second degree of abdominal wall

Corrosion of second degree of flank

Corrosion of second degree of groin

T21.63 Corrosion of second degree of upper back

Corrosion of second degree of interscapular region

T21.64 Corrosion of second degree of lower back

T21.65 Corrosion of second degree of buttock

Corrosion of second degree of anus

T21.66 Corrosion of second degree of male genital region

Corrosion of second degree of penis

Corrosion of second degree of scrotum

Corrosion of second degree of testis

T21.67 Corrosion of second degree of female genital region

Corrosion of second degree of labium (majus) (minus)

Corrosion of second degree of perineum

Corrosion of second degree of vulva

Excludes2: corrosion of vagina (T28.8)

T21.69 Corrosion of second degree of other site of trunk

T21.7 Corrosion of third degree of trunk

Code first (T51-T65) to identify chemical and intent

Use additional external cause code to identify place (Y92)

T21.70 Corrosion of third degree of trunk, unspecified site

T21.71 Corrosion of third degree of chest wall

Corrosion of third degree of breast

T21.72 Corrosion of third degree of abdominal wall

Corrosion of third degree of flank

Corrosion of third degree of groin

T21.73 Corrosion of third degree of upper back

Corrosion of third degree of interscapular region

T21.