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ICD-10-CM Current in FY 2027

S21.159A

Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where S21.159A sits in the official hierarchy. Each level is the code it is classified under.

  1. S21 Open wound of thorax
  2. S21.1 Open wound of front wall of thorax without penetration into thoracic cavity
  3. S21.15 Open bite of front wall of thorax without penetration into thoracic cavity
  4. S21.159 Parent Open bite of unspecified front wall of thorax without penetration into thoracic cavity
  5. S21.159A This code Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

superficial bite of front wall of thorax ( S20.37 )

Inherited from S21.15 — Open bite of front wall of thorax without penetration into thoracic cavity

Excludes1

traumatic amputation (partial) of thorax ( S28.1 )

Inherited from S21 — Open wound of thorax

Code Also

any associated injury, such as:

Inherited from S21 — Open wound of thorax

Code Also

injury of heart ( S26 .-)

Inherited from S21 — Open wound of thorax

Code Also

injury of intrathoracic organs ( S27 .-)

Inherited from S21 — Open wound of thorax

Code Also

rib fracture ( S22.3- , S22.4- )

Inherited from S21 — Open wound of thorax

Code Also

spinal cord injury ( S24.0- , S24.1- )

Inherited from S21 — Open wound of thorax

Code Also

traumatic hemopneumothorax ( S27.3 )

Inherited from S21 — Open wound of thorax

Code Also

traumatic hemothorax ( S27.1 )

Inherited from S21 — Open wound of thorax

Code Also

traumatic pneumothorax ( S27.0 )

Inherited from S21 — Open wound of thorax

Code Also

wound infection

Inherited from S21 — Open wound of thorax

7th Character

The appropriate 7th character is to be added to each code from category S21

Inherited from S21 — Open wound of thorax

7th Character

A - initial encounter

Inherited from S21 — Open wound of thorax

7th Character

D - subsequent encounter

Inherited from S21 — Open wound of thorax

7th Character

S - sequela

Inherited from S21 — Open wound of thorax

Version History

How S21.159A appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

  2. FY 2026 Effective

    Unchanged

    Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter

Related Codes

Other codes under S21.159

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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