ICD-10-CM Diagnosis Code (2025)
Official Description for T21.4
Corrosion of unspecified degree of trunk
Coding Notes & Guidelines for T21.4
corrosion of vagina (T28.8)
(T51-T65) to identify chemical and intent
external cause code to identify place (Y92)
Corrosion of unspecified degree of breast
- Corrosion of unspecified degree of flank
- Corrosion of unspecified degree of groin
Corrosion of unspecified degree of interscapular region
Corrosion of unspecified degree of anus
- Corrosion of unspecified degree of penis
- Corrosion of unspecified degree of scrotum
- Corrosion of unspecified degree of testis
- Corrosion of unspecified degree of labium (majus) (minus)
- Corrosion of unspecified degree of perineum
- Corrosion of unspecified degree of vulva
Parent Code (Less Specific):
About ICD-10-CM Code T21.4 (Corrosion of unspecified degree of trunk)
ICD-10-CM code T21.4 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T21.4 became effective on October 1, 2024.
This page provides detailed information about T21.4 - Corrosion of unspecified degree of trunk. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Corrosion of unspecified degree of trunk.