2020 ICD-10-CM Diagnosis Code T79.A0

Compartment syndrome, unspecified

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • T79.A0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM T79.A0 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T79.A0 - other international versions of ICD-10 T79.A0 may differ.
Applicable To
  • Compartment syndrome NOS
The following code(s) above T79.A0 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.A0:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    • 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 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
  • T79.A
    ICD-10-CM Diagnosis Code T79.A

    Traumatic compartment syndrome

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • fibromyalgia (M79.7)
    • nontraumatic compartment syndrome (M79.A-)
    Type 2 Excludes
    • traumatic ischemic infarction of muscle (T79.6)
    Traumatic compartment syndrome
Clinical Information
  • Conditions in which increased pressure within a limited space compromises the blood circulation and function of tissue within that space. Some of the causes of increased pressure are trauma, tight dressings, hemorrhage, and exercise. Sequelae include nerve compression (nerve compression syndromes); paralysis; and ischemic contracture.
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

Diagnosis Index entries containing back-references to T79.A0:

ICD-10-CM Codes Adjacent To T79.A0
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
T79.A11A …… initial encounter
T79.A11D …… subsequent encounter
T79.A11S …… sequela
T79.A12 Traumatic compartment syndrome of left upper extremity
T79.A12A …… initial encounter

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