All ICD10 Codes

S20

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Superficial injury of thorax

Use a more specific code (0 billable, 6 non-billable)
S20.0Contusion of breasthas subcodesS20.1Other and unspecified superficial injuries of breasthas subcodesS20.2Contusion of thoraxhas subcodesS20.3Other and unspecified superficial injuries of front wall of thoraxhas subcodesS20.4Other and unspecified superficial injuries of back wall of thoraxhas subcodesS20.9Superficial injury of unspecified parts of thoraxhas 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.-)

S20-S29 Parent Instructions

Includes
  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area
Excludes2(Not included here. Code separately if applicable.)
  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S20-S29Injuries to the thorax (S20-S29)
S20Superficial injury of thoraxNot billable
S20.0Contusion of breastSubcodes
S20.1Other and unspecified superficial injuries of breastSubcodes
S20.2Contusion of thoraxSubcodes
S20.3Other and unspecified superficial injuries of front wall of thoraxSubcodes
S20.4Other and unspecified superficial injuries of back wall of thoraxSubcodes
S20.9Superficial injury of unspecified parts of thoraxSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S20:

blockS20-S29
Injuries to the thorax (S20-S29)
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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