ICD-10-CM Code T21.4
Corrosion of unspecified degree of trunk
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.ICD Code T21.4 is a non-billable code. To code a diagnosis of this type, you must use one of the nine child codes of T21.4 that describes the diagnosis 'corrosion of unspecified degree of trunk' in more detail.
- T21.4 Corrosion of unspecified degree of trunk NON-BILLABLE
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The ICD code T21 is used to code Burn
A burn is a type of injury to skin , or other tissues, caused by heat, electricity, chemicals, friction, or radiation. Burns that affect only the superficial skin layers are known as superficial or first-degree burns. When the injury extends into some of the underlying layers, it is described as a partial-thickness or second-degree burn. In a full-thickness or third-degree burn, the injury extends to all layers of the skin. A fourth-degree burn additionally involves injury to deeper tissues, such as muscle, tendons, or bone.
| Specialty: | Critical Care Medicine |
| MeSH Codes: | D002056, D002056, D002056, D002056, D002056, D002056, D002056, D002056, D002056, D002056 |
| ICD 9 Codes: | 944, 945, 946, 947, 948, 949, 940, 941, 942, 943 |
Second-degree burn of the hand
Coding Notes for T21.4 Info for medical coders on how to properly use this ICD-10 code
- codeFirst:
- See Section T51-T65 to identify chemical and intent
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Additional Code Note:
Use Additional Code
Use Additional Code note means a second code must be used in conjunction with this code. Codes with this note are Etiology codes and must be followed by a Manifestation code or codes. - External cause code to identify place See Code Y92
ICD-10-CM Alphabetical Index References for 'T21.4 - Corrosion of unspecified degree of trunk'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code T21.4. Click on any term below to browse the alphabetical index.
Parent Code: T21 - Burn and corrosion of trunk