T79.A0

Compartment syndrome, unspecified

Requires 7th character

T79.A0 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Compartment syndrome NOS

Includes (from T79)

  • 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
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Excludes1

Not coded here — never report together with this code.

Excludes2

Not included here — may be reported together when both conditions exist.

  • traumatic ischemic infarction of muscle (T79.6) (from T79.A)
  • birth trauma (P10-P15) (from T79)
  • obstetric trauma (O70-O71) (from T79)
  • acute respiratory distress syndrome (J80) (from T79)
  • complications occurring during or following medical procedures (T80-T88) (from T79)
  • complications of surgical and medical care NEC (T80-T88) (from T79)
  • newborn respiratory distress syndrome (P22.0) (from T79)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from T79)

7th character

This code requires a 7th character (defined at T79). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Also known as

  • Compartment syndrome NOS
  • Compartment syndrome
  • Syndrome, compartment

Parent code

  • T79.ATraumatic compartment syndromeNeeds 7th char

More specific codes T79.A0

  • T79.A0XACompartment syndrome, unspecified, initial encounterBillable
  • T79.A0XDCompartment syndrome, unspecified, subsequent encounterBillable
  • T79.A0XSCompartment syndrome, unspecified, sequelaBillable

Related codes

  • T79.A1Traumatic compartment syndrome of upper extremityNeeds 7th char
  • T79.A2Traumatic compartment syndrome of lower extremityNeeds 7th char
  • T79.A3Traumatic compartment syndrome of abdomenNeeds 7th char
  • T79.A9Traumatic compartment syndrome of other sitesNeeds 7th char

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