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ICD-10 diagnosis code

S21 Open wound of thorax

This page in Swedish

S21 is the ICD-10 code for Open wound of thorax. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block S20–S29 (Injuries to the thorax) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.

Code type
Category (3 characters)
Chapter
XIX · S00–T98
Classification
WHO ICD-10, 2019 version

What S21 excludes

Conditions that look similar but belong under another code.

Subcodes of S21

S21 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

S21Sårskada på bröstregionen

DenmarkICD-10-DK

DS21Åbent sår på thorax

FinlandICD-10-FI

S21Rintakehän haava

GermanyICD-10-GM

S21Offene Wunde des Thorax

FranceICD-10-FR

S21Plaie ouverte du thorax

NetherlandsICD-10-NL

S21open wond van thorax

United StatesICD-10-CM

Listed through more specific codes:

  • S21.301AUnspecified open wound of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.301DUnspecified open wound of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.301SUnspecified open wound of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.302AUnspecified open wound of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.302DUnspecified open wound of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.302SUnspecified open wound of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.309AUnspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.309DUnspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • and 100 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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