S31.835A Open bite of anus, initial encounter

Instructional Notes:

S31.835A
Description: Open bite of anus, initial encounter
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S31.835
Description: Open bite of anus
Exclude1:
- superficial bite of anus (S30.877)
Inclusion Term:
- Bite of anus NOS
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S31.83
Description: Open wound of anus
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S31.8
Description: Open wound of other parts of abdomen, lower back and pelvis
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S31
Description: Open wound of abdomen, lower back, pelvis and external genitals
Exclude1:
- traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)
Exclude2:
- open wound of hip (S71.00-S71.02)
- open fracture of pelvis (S32.1--S32.9 with 7th character B)
Code Also: ['any associated:', 'spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)', 'wound infection']
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S30-S39
Description: Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
Exclude2:
- burns and corrosions (T20-T32)
- effects of foreign body in anus and rectum (T18.5)
- effects of foreign body in genitourinary tract (T19.-)
- effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Include:
- injuries to the abdominal wall
- injuries to the anus
- injuries to the buttock
- injuries to the external genitalia
- injuries to the flank
- injuries to the groin
↓
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.-)