2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. S00-T88 Injury, poisoning and certain other consequences of external causes
    3. ›
  3. S20-S29 Injuries to the thorax
    4. ›
  4. S21- Open wound of thorax
    5. ›

2020 ICD-10-CM Diagnosis Code S21.452S

Open bite of left back wall of thorax with penetration into thoracic cavity, sequela

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • S21.452S is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Open bite of l bk wl of thorax w penet thor cavity, sequela
  • The 2020 edition of ICD-10-CM S21.452S became effective on October 1, 2019.
  • This is the American ICD-10-CM version of S21.452S - other international versions of ICD-10 S21.452S may differ.
The following code(s) above S21.452S contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S21.452S:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S20-S29
    2020 ICD-10-CM Range S20-S29

    Injuries to the thorax

    Includes
    • injuries of breast
    • injuries of chest (wall)
    • injuries of interscapular area
    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • effects of foreign body in bronchus (T17.5)
    • effects of foreign body in esophagus (T18.1)
    • effects of foreign body in lung (T17.8)
    • effects of foreign body in trachea (T17.4)
    • frostbite (T33-T34)
    • injuries of axilla
    • injuries of clavicle
    • injuries of scapular region
    • injuries of shoulder
    • insect bite or sting, venomous (T63.4)
    Injuries to the thorax
  • S21
    ICD-10-CM Diagnosis Code S21

    Open wound of thorax

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code Also
    • any associated injury, such as:
    • injury of heart (S26.-)
    • injury of intrathoracic organs (S27.-)
    • rib fracture (S22.3-, S22.4-)
    • spinal cord injury (S24.0-, S24.1-)
    • traumatic hemopneumothorax (S27.3)
    • traumatic hemothorax (S27.1)
    • traumatic pneumothorax (S27.0)
    • wound infection
    Type 1 Excludes
    • traumatic amputation (partial) of thorax (S28.1)
    Open wound of thorax
  • S21.45
    ICD-10-CM Diagnosis Code S21.45

    Open bite of back wall of thorax with penetration into thoracic cavity

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Bite of back wall of thorax NOS
    Type 1 Excludes
    • superficial bite of back wall of thorax (S20.47)
    Open bite of back wall of thorax with penetration into thoracic cavity
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • S21.452S is considered exempt from POA reporting.
ICD-10-CM S21.452S is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 604 Trauma to the skin, subcutaneous tissue and breast with mcc
  • 605 Trauma to the skin, subcutaneous tissue and breast without mcc

Convert S21.452S to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To S21.452S
S21.449D …… subsequent encounter
S21.449S …… sequela
S21.45 Open bite of back wall of thorax with penetration into thoracic cavity
S21.451 Open bite of right back wall of thorax with penetration into thoracic cavity
S21.451A …… initial encounter
S21.451D …… subsequent encounter
S21.451S …… sequela
S21.452 Open bite of left back wall of thorax with penetration into thoracic cavity
S21.452A …… initial encounter
S21.452D …… subsequent encounter
S21.452S …… sequela
S21.459 Open bite of unspecified back wall of thorax with penetration into thoracic cavity
S21.459A …… initial encounter
S21.459D …… subsequent encounter
S21.459S …… sequela
S21.9 Open wound of unspecified part of thorax
S21.90 Unspecified open wound of unspecified part of thorax
S21.90XA …… initial encounter
S21.90XD …… subsequent encounter
S21.90XS …… sequela
S21.91 Laceration without foreign body of unspecified part of thorax

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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