Injury, poisoning and certain other consequences of external causes (S00-T88)

Note:
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional
code to identify any retained foreign body, if applicable (Z18.-)
Excludes 1:
birth trauma (P10-P15)
obstetric trauma (O70-O71)

Injuries to the thorax (S20-S29)

Includes:
injuries of breast
injuries of chest (wall)
injuries of interscapular area
Excludes 2:
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)
S20 Superficial injury of thorax [+]
The appropriate 7th character is to be added to each code from category S20
A - initial encounter
D - subsequent encounter
S - sequela
S21 Open wound of thorax [+]
Code also any associated injury, such as:
injury of heart (S26.-)
injury of intrathoracic organs (S27.-)
rib fracture (S22.3-, S22.4-)
spinal cord injury (S24.0-, S24.1-)
traumatic hemopneumothorax (S27.3)
traumatic hemothorax (S27.1)
traumatic pneumothorax (S27.0)
wound infection
Excludes 1: traumatic amputation (partial) of thorax (S28.1)
The appropriate 7th character is to be added to each code from category S21
A - initial encounter
D - subsequent encounter
S - sequela
S22 Fracture of rib(s), sternum and thoracic spine [+]
Note: A fracture not indicated as displaced or nondisplaced should be coded to displaced
A fracture not indicated as open or closed should be coded to closed
Includes: fracture of thoracic neural arch
fracture of thoracic spinous process
fracture of thoracic transverse process
fracture of thoracic vertebra
fracture of thoracic vertebral arch
Code also , if applicable, any associated:
injury of intrathoracic organ (S27.-)
spinal cord injury (S24.0-, S24.1-)
Excludes 1: transection of thorax (S28.1)
Excludes 2: fracture of clavicle (S42.0-)
fracture of scapula (S42.1-)
The appropriate 7th character is to be added to each code from category S22
A - initial encounter for closed fracture
B - initial encounter for open fracture
D - subsequent encounter for fracture with routine healing
G - subsequent encounter for fracture with delayed healing
K - subsequent encounter for fracture with nonunion
S - sequela
S23 Dislocation and sprain of joints and ligaments of thorax [+]
Includes: avulsion of joint or ligament of thorax
laceration of cartilage, joint or ligament of thorax
sprain of cartilage, joint or ligament of thorax
traumatic hemarthrosis of joint or ligament of thorax
traumatic rupture of joint or ligament of thorax
traumatic subluxation of joint or ligament of thorax
traumatic tear of joint or ligament of thorax
Code also any associated open wound
Excludes 2: dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
strain of muscle or tendon of thorax (S29.01-)
The appropriate 7th character is to be added to each code from category S23
A - initial encounter
D - subsequent encounter
S - sequela
S24 Injury of nerves and spinal cord at thorax level [+]
Note: Code to highest level of thoracic spinal cord injury
Injuries to the spinal cord (S24.0 and S24.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given.
Code also any associated:
fracture of thoracic vertebra (S22.0-)
open wound of thorax (S21.-)
transient paralysis (R29.5)
Excludes 2: injury of brachial plexus (S14.3)
The appropriate 7th character is to be added to each code from category S24
A - initial encounter
D - subsequent encounter
S - sequela
S25 Injury of blood vessels of thorax [+]
Code also any associated open wound (S21.-)
The appropriate 7th character is to be added to each code from category S25
A - initial encounter
D - subsequent encounter
S - sequela
S26 Injury of heart [+]
Code also any associated:
open wound of thorax (S21.-)
traumatic hemopneumothorax (S27.2)
traumatic hemothorax (S27.1)
traumatic pneumothorax (S27.0)
The appropriate 7th character is to be added to each code from category S26
A - initial encounter
D - subsequent encounter
S - sequela
S27 Injury of other and unspecified intrathoracic organs [+]
Code also any associated open wound of thorax (S21.-)
Excludes 2: injury of cervical esophagus (S10-S19)
injury of trachea (cervical) (S10-S19)
The appropriate 7th character is to be added to each code from category S27
A - initial encounter
D - subsequent encounter
S - sequela
S28 Crushing injury of thorax, and traumatic amputation of part of thorax [+]
The appropriate 7th character is to be added to each code from category S28
A - initial encounter
D - subsequent encounter
S - sequela
S29 Other and unspecified injuries of thorax [+]
Code also any associated open wound (S21.-)
The appropriate 7th character is to be added to each code from category S29
A - initial encounter
D - subsequent encounter
S - sequela

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