DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 19

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

Block S20-S29 groups 10 categories with 1,602 billable codes in FY2027.

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S20-S29 Injuries to the thorax (S20-S29)

Neighbouring blocks

Categories
10
Billable codes
1,602
CC codes
204
MCC codes
190
HCC V28 codes
147
New FY2027
0

Categories in S20-S29

  • S20

    Superficial injury of thorax

    Abrasionbreast → S20.11-

    • 294 billable codes
  • S21

    Open wound of thorax

    Puncturebreast → S21.039

    • 288 billable codes
    • 24 CC
    • 36 MCC
  • S22

    Fracture of rib(s), sternum and thoracic spine

    Flailchest → S22.5

    • 354 billable codes
    • 117 CC
    • 60 MCC
    • 90 with HCC
  • S23

    Dislocation and sprain of joints and ligaments of thorax

    Dislocation (articular)thorax → S23.20

    • 108 billable codes
  • S24

    Injury of nerves and spinal cord at thorax level

    Injurynerve NECthorax → S24.9

    • 93 billable codes
    • 21 MCC
    • 57 with HCC
  • S25

    Injury of blood vessels of thorax

    Injuryaorta (thoracic) → S25.00

    • 195 billable codes
    • 21 CC
    • 44 MCC
  • S26

    Injury of heart

    Punctureheart → S26.99

    • 42 billable codes
    • 9 CC
    • 5 MCC
  • S27

    Injury of other and unspecified intrathoracic organs

    Lacerationlung → S27.339

    • 162 billable codes
    • 30 CC
    • 24 MCC
  • S28

    Crushing injury of thorax, and traumatic amputation of part of thorax

    Crush, crushed, crushingchest → S28.0

    • 24 billable codes
    • 1 CC
  • S29

    Other and unspecified injuries of thorax

    Injurybreast NOS → S29.9

    • 42 billable codes
    • 2 CC

Index main terms

  • Injury → S20, S24, S25, S26, S27, S29 (166 entries)
  • Fracture, traumatic (abduction) (adduction) (separation) → S22, S23 (83 entries)
  • Dislocation (articular) → S23 (22 entries)
  • Laceration → S21, S27 (21 entries)
  • Puncture → S21, S26, S27 (20 entries)
  • Bite(s) (animal) (human) → S20, S21 (14 entries)
  • Contusion (skin surface intact) → S20, S26, S27 (13 entries)
  • Sprain (joint) (ligament) → S23 (13 entries)
  • Subluxation → S23 (13 entries)
  • Wound, open → S21, S27 (9 entries)
  • Abrasion → S20, S27 (7 entries)
  • Blister (nonthermal) → S20 (6 entries)
  • Constriction → S20 (6 entries)
  • Foreign body → S20 (6 entries)
  • Amputation → S28 (3 entries)

+9 more main terms; the search box finds them by word.

Block instructions

Includes

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes2

  • burns and corrosions (T20-T32) T20 T32
  • effects of foreign body in bronchus (T17.5) T17.5
  • effects of foreign body in esophagus (T18.1) T18.1
  • effects of foreign body in lung (T17.8) T17.8
  • effects of foreign body in trachea (T17.4) T17.4
  • frostbite (T33-T34) T33 T34
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4) T63.4

Notes that also apply

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.