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T20.4 - Corrosion of unspecified degree of head, face, and neck


The ICD 10 Code for Corrosion of unspecified degree of head, face, and neck is listed as T20.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: T20.4
Description: Corrosion of unspecified degree of head, face, and neck
  • Code first (T51-T65) to identify chemical and intent
  • Use additional external cause code to identify place (Y92)
Chapter Injury, poisoning and certain other consequences of external causes (S00-T88)
Block Burns and corrosions (T20-T32)
Parent T20 - Burn and corrosion of head, face, and neck
ICD-10-CM Children (deeper level / typically more specific) of T20.4:
T20.40 - Corrosion of unspecified degree of head, face, and neck, unspecified site
T20.41 - Corrosion of unspecified degree of ear [any part, except ear drum]
T20.42 - Corrosion of unspecified degree of lip(s)
T20.43 - Corrosion of unspecified degree of chin
T20.44 - Corrosion of unspecified degree of nose (septum)
T20.45 - Corrosion of unspecified degree of scalp [any part]
T20.46 - Corrosion of unspecified degree of forehead and cheek
T20.47 - Corrosion of unspecified degree of neck
T20.49 - Corrosion of unspecified degree of multiple sites of head, face, and neck
ICD-10-CM Siblings (same level / similar specificity) of T20.4:
T20.0 - Burn of unspecified degree of head, face, and neck
T20.1 - Burn of first degree of head, face, and neck
T20.2 - Burn of second degree of head, face, and neck
T20.3 - Burn of third degree of head, face, and neck
T20.5 - Corrosion of first degree of head, face, and neck
T20.6 - Corrosion of second degree of head, face, and neck
T20.7 - Corrosion of third degree of head, face, and neck