AutoICD API

T27.4

Non-billable

Corrosion of larynx and trachea

Corrosion of larynx and trachea

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T26-T28

Parent Code

T27

Child Codes

3

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Code First

The underlying condition must be sequenced before this code

  • (T51-T65) to identify chemical and intent

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)
  • external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)

Child Codes (3)

T27.4XXA

Corrosion of larynx and trachea, initial encounter

BillableT27.4XXD

Corrosion of larynx and trachea, subsequent encounter

BillableT27.4XXS

Corrosion of larynx and trachea, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for corrosion of larynx and trachea?

The ICD-10-CM code for corrosion of larynx and trachea is T27.4. The full clinical description is "Corrosion of larynx and trachea". T27.4 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T27.4 mean?

ICD-10-CM code T27.4 represents "Corrosion of larynx and trachea". It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.

Is T27.4 a billable code?

No, T27.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T27.4.

What chapter is T27.4 in?

T27.4 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T27.4?

T27.4 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under T27.4?

T27.4 has 3 child codes, including: T27.4XXA (Corrosion of larynx and trachea, initial encounter), T27.4XXD (Corrosion of larynx and trachea, subsequent encounter), T27.4XXS (Corrosion of larynx and trachea, sequela).

Are additional codes required with T27.4?

Yes, when using T27.4 you should also code: code to identify any retained foreign body, if applicable (Z18.-); external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98).

What are the UMLS CUIs for T27.4?

T27.4 is linked to 1 UMLS Concept Unique Identifier: C0452011. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.