AutoICD API

S21.401

Non-billable

Unsp open wound of r bk wl of thorax w penet thoracic cavity

Unspecified open wound of right back wall of thorax with penetration into thoracic cavity

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

Status

Non-billable / Header

Block

S20-S29

Parent Code

S21.40

Child Codes

3

Coding Notes

Includes

Conditions included under this code

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes 1

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

Use Additional Code

Additional codes that should follow this code

Child Codes (3)

Related Codes(2)
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for unsp open wound of r bk wl of thorax w penet thoracic cavity?

The ICD-10-CM code for unsp open wound of r bk wl of thorax w penet thoracic cavity is S21.401. The full clinical description is "Unspecified open wound of right back wall of thorax with penetration into thoracic cavity". S21.401 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code S21.401 mean?

ICD-10-CM code S21.401 represents “Unspecified open wound of right back wall of thorax with penetration into thoracic cavity”. 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 S21.401 a billable code?

No, S21.401 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 S21.401.

What chapter is S21.401 in?

S21.401 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with S21.401?

S21.401 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); traumatic amputation (partial) of thorax (S28.1).

What are the subcategories under S21.401?

S21.401 has 3 child codes, including: S21.401A (Unsp opn wnd r bk wl of thorax w penet thoracic cavity, init), S21.401D (Unsp opn wnd r bk wl of thorax w penet thoracic cavity, subs), S21.401S (Unsp opn wnd r bk wl of thorax w penet thor cavity, sequela).

Are additional codes required with S21.401?

Yes, when using S21.401, also report: any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for S21.401?

S21.401 is linked to 1 UMLS Concept Unique Identifier: C2835045. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does S21.401 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unsp open wound of r bk wl of thorax w penet thoracic cavity affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of S21.401?

There is no direct ICD-11 mapping available for S21.401 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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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.