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T543-char group

Toxic effect of corrosive substances

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

  • ●Avoid — more specific 4-5 char codes exist (see below)

Codes within T54

T54.0Phenol and phenol homologuesT54.1Other corrosive organic compoundsT54.2Corrosive acids and acid-like substancesT54.3Corrosive alkalis and alkali-like substancesT54.9Corrosive substance, unspecified

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