S11.20XA Unsp open wound of pharynx and cervical esophagus, init

Instructional Notes:

S11.20XA
Description: Unsp open wound of pharynx and cervical esophagus, init
↓
S11.20
Description: Unspecified open wound of pharynx and cervical esophagus
↓
S11.2
Description: Open wound of pharynx and cervical esophagus
Exclude1:
- open wound of esophagus NOS (S27.8-)
↓
S11
Description: Open wound of neck
Exclude2:
- open fracture of vertebra (S12.- with 7th character B)
Code Also: ['any associated:', 'spinal cord injury (S14.0, S14.1-)', 'wound infection']
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S10-S19
Description: Injuries to the neck (S10-S19)
Exclude2:
- burns and corrosions (T20-T32)
- effects of foreign body in esophagus (T18.1)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body in trachea (T17.4)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Include:
- injuries of nape
- injuries of supraclavicular region
- injuries of throat
↓
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.-)