ICD-10-CM Diagnosis Code T30.4

This code is not for inpatient use. Code to specified site and degree of corrosion

Corrosion NOS

Multiple corrosion NOS

code to identify any retained foreign body, if applicable (Z18.-)

birth trauma (P10-P15)

obstetric trauma (O70-O71)

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.