2023 ICD-10-CM Diagnosis Code T79.7

Traumatic subcutaneous emphysema

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • T79.7 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM T79.7 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of T79.7 - other international versions of ICD-10 T79.7 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (T79.7) and the excluded code together.
  • emphysema NOS (
    ICD-10-CM Diagnosis Code J43

    Emphysema

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • compensatory emphysema (J98.3)
    • emphysema due to inhalation of chemicals, gases, fumes or vapors (J68.4)
    • emphysema with chronic (obstructive) bronchitis (J44.-)
    • emphysematous (obstructive) bronchitis (J44.-)
    • interstitial emphysema (J98.2)
    • mediastinal emphysema (J98.2)
    • neonatal interstitial emphysema (P25.0)
    • surgical (subcutaneous) emphysema (T81.82)
    Type 2 Excludes
    • traumatic subcutaneous emphysema (T79.7)
    Use Additional
    • code to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    J43
    )
  • emphysema (subcutaneous) resulting from a procedure (
    ICD-10-CM Diagnosis Code T81.82

    Emphysema (subcutaneous) resulting from a procedure

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    T81.82
    )
The following code(s) above T79.7 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 T79.7:
  • S00-T88
    2023 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
  • T79
    ICD-10-CM Diagnosis Code T79

    Certain early complications of trauma, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • acute respiratory distress syndrome (J80)
    • complications occurring during or following medical procedures (T80-T88)
    • complications of surgical and medical care NEC (T80-T88)
    • newborn respiratory distress syndrome (P22.0)
    Certain early complications of trauma, not elsewhere classified
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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to T79.7:
  • Type 1 Excludes: J98.2
    ICD-10-CM Diagnosis Code J98.2

    Interstitial emphysema

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Mediastinal emphysema
    Type 1 Excludes
    • emphysema NOS (J43.9)
    • emphysema in newborn (P25.0)
    • surgical emphysema (subcutaneous) (T81.82)
    • traumatic subcutaneous emphysema (T79.7)
  • Type 2 Excludes: J43
    ICD-10-CM Diagnosis Code J43

    Emphysema

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • compensatory emphysema (J98.3)
    • emphysema due to inhalation of chemicals, gases, fumes or vapors (J68.4)
    • emphysema with chronic (obstructive) bronchitis (J44.-)
    • emphysematous (obstructive) bronchitis (J44.-)
    • interstitial emphysema (J98.2)
    • mediastinal emphysema (J98.2)
    • neonatal interstitial emphysema (P25.0)
    • surgical (subcutaneous) emphysema (T81.82)
    Type 2 Excludes
    • traumatic subcutaneous emphysema (T79.7)
    Use Additional
    • code to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)

Diagnosis Index entries containing back-references to T79.7:

ICD-10-CM Codes Adjacent To T79.7
T79.4XXD …… subsequent encounter
T79.4XXS …… sequela
T79.5 Traumatic anuria
T79.5XXA …… initial encounter
T79.5XXD …… subsequent encounter
T79.5XXS …… sequela
T79.6 Traumatic ischemia of muscle
T79.6XXA …… initial encounter
T79.6XXD …… subsequent encounter
T79.6XXS …… sequela
T79.7 Traumatic subcutaneous emphysema
T79.7XXA …… initial encounter
T79.7XXD …… subsequent encounter
T79.7XXS …… sequela
T79.A Traumatic compartment syndrome
T79.A0 Compartment syndrome, unspecified
T79.A0XA …… initial encounter
T79.A0XD …… subsequent encounter
T79.A0XS …… sequela
T79.A1 Traumatic compartment syndrome of upper extremity
T79.A11 Traumatic compartment syndrome of right upper extremity

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