T21.66
Corrosion of second degree of male genital region
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
T21code
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 9
T21.6code
T21code
Includes
- burns and corrosion of hip region
T21.66code
Inclusion terms
- Corrosion of second degree of penis
- Corrosion of second degree of scrotum
- Corrosion of second degree of testis
S00-T88chapter
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
- 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.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
Alongside this code 8 same parent — T21.6
T21.60 Corrosion of second degree of trunk, unspecified site category T21.61 Corrosion of second degree of chest wall category T21.62 Corrosion of second degree of abdominal wall category T21.63 Corrosion of second degree of upper back category T21.64 Corrosion of second degree of lower back category T21.65 Corrosion of second degree of buttock category T21.67 Corrosion of second degree of female genital region category T21.69 Corrosion of second degree of other site of trunk category
Medications 2
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.