All ICD10 Codes

T20

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Burn and corrosion of head, face, and neck

Use a more specific code (0 billable, 8 non-billable)
T20.0Burn of unspecified degree of head, face, and neckhas subcodesT20.1Burn of first degree of head, face, and neckhas subcodesT20.2Burn of second degree of head, face, and neckhas subcodesT20.3Burn of third degree of head, face, and neckhas subcodesT20.4Corrosion of unspecified degree of head, face, and neckhas subcodesT20.5Corrosion of first degree of head, face, and neckhas subcodesT20.6Corrosion of second degree of head, face, and neckhas subcodesT20.7Corrosion of third degree of head, face, and neckhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T20-T25 Parent Instructions

Includes
  • burns and corrosions of first degree [erythema]
  • burns and corrosions of second degree [blisters][epidermal loss]
  • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
Use Additional Code
  • code from category T31 or T32 to identify extent of body surface involved

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • burn and corrosion of ear drum (T28.41, T28.91)
  • burn and corrosion of eye and adnexa (T26.-)
  • burn and corrosion of mouth and pharynx (T28.0)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)
T20Burn and corrosion of head, face, and neckNot billable
T20.0Burn of unspecified degree of head, face, and neckSubcodes
T20.1Burn of first degree of head, face, and neckSubcodes
T20.2Burn of second degree of head, face, and neckSubcodes
T20.3Burn of third degree of head, face, and neckSubcodes
T20.4Corrosion of unspecified degree of head, face, and neckSubcodes
T20.5Corrosion of first degree of head, face, and neckSubcodes
T20.6Corrosion of second degree of head, face, and neckSubcodes
T20.7Corrosion of third degree of head, face, and neckSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T20:

blockT20-T25
Burns and corrosions of external body surface, specified by site (T20-T25)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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