Section
T21.4
Corrosion of unspecified degree of trunk
Hierarchy
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S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
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T20-T25 Burns and corrosions of external body surface, specified by site (T20-T25)
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T21 Burn and corrosion of trunk
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T21.4 Corrosion of unspecified degree of trunk
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T21.40 Corrosion of unspecified degree of trunk, unspecified site
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T21.41 Corrosion of unspecified degree of chest wall
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T21.42 Corrosion of unspecified degree of abdominal wall
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T21.43 Corrosion of unspecified degree of upper back
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T21.44 Corrosion of unspecified degree of lower back
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T21.45 Corrosion of unspecified degree of buttock
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T21.46 Corrosion of unspecified degree of male genital region
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T21.47 Corrosion of unspecified degree of female genital region
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T21.49 Corrosion of unspecified degree of other site of trunk
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Notes
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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.
Code First
T21.4
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(T51-T65) to identify chemical and intent
- T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Use Additional
Includes
Excludes 1
Excludes 2
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burns and corrosion of axilla (T22.- with fifth character 4)
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burns and corrosion of scapular region (T22.- with fifth character 6)
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burns and corrosion of shoulder (T22.- with fifth character 5)