S21.001A Unspecified open wound of right breast, initial encounter

Instructional Notes:

S21.001A
Description: Unspecified open wound of right breast, initial encounter
↓
S21.001
Description: Unspecified open wound of right breast
↓
S21.00
Description: Unspecified open wound of breast
↓
S21.0
Description: Open wound of breast
↓
S21
Description: Open wound of thorax
Exclude1:
- traumatic amputation (partial) of thorax (S28.1)
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']
↓
S20-S29
Description: Injuries to the thorax (S20-S29)
Exclude2:
- 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)
Include:
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
↓
S00-T88
Description: Injury, poisoning and certain other consequences of external causes
Exclude2:
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Notes:
- 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
Use Additional Code:
- code to identify any retained foreign body, if applicable (Z18.-)