AutoICD API

T23.721

Non-billable

Corros third degree of single r finger (nail) except thumb

Corrosion of third degree of single right finger (nail) except thumb

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

Status

Non-billable / Header

Block

T20-T25

Parent Code

T23.72

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • burns and corrosions of first degree [erythema]
  • burns and corrosions of second degree [blisters][epidermal loss]
  • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

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.-)
  • code from category T31 or T32 to identify extent of body surface involved
  • external cause code to identify place (Y92)

Child Codes (3)

T23.721A

Corros third degree of single r finger except thumb, init

BillableT23.721D

Corros third degree of single r finger except thumb, subs

BillableT23.721S

Corros third degree of single r finger except thumb, sqla

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for corros third degree of single r finger (nail) except thumb?

The ICD-10-CM code for corros third degree of single r finger (nail) except thumb is T23.721. The full clinical description is "Corrosion of third degree of single right finger (nail) except thumb". T23.721 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T23.721 mean?

ICD-10-CM code T23.721 represents "Corrosion of third degree of single right finger (nail) except thumb". 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 T23.721 a billable code?

No, T23.721 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 T23.721.

What chapter is T23.721 in?

T23.721 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T23.721?

T23.721 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 T23.721?

T23.721 has 3 child codes, including: T23.721A (Corros third degree of single r finger except thumb, init), T23.721D (Corros third degree of single r finger except thumb, subs), T23.721S (Corros third degree of single r finger except thumb, sqla).

Are additional codes required with T23.721?

Yes, when using T23.721 you should also code: code to identify any retained foreign body, if applicable (Z18.-); code from category T31 or T32 to identify extent of body surface involved; external cause code to identify place (Y92).

What are the UMLS CUIs for T23.721?

T23.721 is linked to 1 UMLS Concept Unique Identifier: C2872573. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.