Section
T20.4
Corrosion of unspecified degree of head, face, and neck
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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T20 Burn and corrosion of head, face, and neck
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T20.4 Corrosion of unspecified degree of head, face, and neck
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T20.40 Corrosion of unspecified degree of head, face, and neck, unspecified site
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T20.41 Corrosion of unspecified degree of ear [any part, except ear drum]
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T20.42 Corrosion of unspecified degree of lip(s)
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T20.43 Corrosion of unspecified degree of chin
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T20.44 Corrosion of unspecified degree of nose (septum)
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T20.45 Corrosion of unspecified degree of scalp [any part]
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T20.46 Corrosion of unspecified degree of forehead and cheek
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T20.47 Corrosion of unspecified degree of neck
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T20.49 Corrosion of unspecified degree of multiple sites of head, face, and neck
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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
T20.4
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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
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burns and corrosions of first degree [erythema]
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burns and corrosions of second degree [blisters][epidermal loss]
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burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]