Code
Hierarchy
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S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
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T30-T32 Burns and corrosions of multiple and unspecified body regions (T30-T32)
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T32 Corrosions classified according to extent of body surface involved
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T32.4 Corrosions involving 40-49% of body surface
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T32.40 Corrosions involving 40-49% of body surface with 0% to 9% third degree corrosion
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T32.41 Corrosions involving 40-49% of body surface with 10-19% third degree corrosion
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T32.42 Corrosions involving 40-49% of body surface with 20-29% third degree corrosion
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T32.43 Corrosions involving 40-49% of body surface with 30-39% third degree corrosion
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T32.44 Corrosions involving 40-49% of body surface with 40-49% third degree corrosion
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Notes
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This category is to be used as the primary code only when the site of the corrosion is unspecified. It may be used as a supplementary code with categories T20-T25 when the site is specified.
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Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
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The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.