ICD-10-CM Codes
S00-T88
T79-T79
T79-
2023 ICD-10-CM Diagnosis Code T79.4

2023 ICD-10-CM Diagnosis Code T79.4

Traumatic shock

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

T79.4 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 T79.4 became effective on October 1, 2022.
This is the American ICD-10-CM version of T79.4 - other international versions of ICD-10 T79.4 may differ.

Applicable To

Shock (immediate) (delayed) following injury

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as T79.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

anaphylactic shock due to adverse food reaction (
ICD-10-CM Diagnosis Code T78.0
Anaphylactic reaction due to food
Applicable To
- Anaphylactic reaction due to adverse food reaction
- Anaphylactic shock or reaction due to nonpoisonous foods
- Anaphylactoid reaction due to food
T78.0-
)
anaphylactic shock due to correct medicinal substance properly administered (
ICD-10-CM Diagnosis Code T88.6
Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered
Applicable To
- Anaphylactic shock due to adverse effect of correct drug or medicament properly administered
- Anaphylactoid reaction NOS
Type 1 Excludes
- anaphylactic reaction due to serum (T80.5-)
- anaphylactic shock or reaction due to adverse food reaction (T78.0-)
Use Additional
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
T88.6
)
anaphylactic shock due to serum (
ICD-10-CM Diagnosis Code T80.5
Anaphylactic reaction due to serum
Applicable To
- Allergic shock due to serum
- Anaphylactic shock due to serum
- Anaphylactoid reaction due to serum
- Anaphylaxis due to serum
Type 1 Excludes
- ABO incompatibility reaction due to transfusion of blood or blood products (T80.3-)
- allergic reaction or shock NOS (T78.2)
- anaphylactic reaction or shock NOS (T78.2)
- anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6)
- other serum reaction (T80.6-)
T80.5-
)
anaphylactic shock NOS (
ICD-10-CM Diagnosis Code T78.2
Anaphylactic shock, unspecified
Applicable To
- Allergic shock
- Anaphylactic reaction
- Anaphylaxis
Type 1 Excludes
- anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6)
- anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- anaphylactic reaction or shock due to serum (T80.5-)
T78.2
)
electric shock (
ICD-10-CM Diagnosis Code T75.4
Electrocution
Applicable To
- Shock from electric current
- Shock from electroshock gun (taser)
T75.4
)
nontraumatic shock NEC (
ICD-10-CM Diagnosis Code R57
- R57 Shock, not elsewhere classified
  - R57.0 Cardiogenic shock
  - R57.1 Hypovolemic shock
  - R57.8 Other shock
  - R57.9 Shock, unspecified
R57.-
)
obstetric shock (
ICD-10-CM Diagnosis Code O75.1
Shock during or following labor and delivery
Applicable To
- Obstetric shock following labor and delivery
O75.1
)
postprocedural shock (
ICD-10-CM Diagnosis Code T81.1
Postprocedural shock
Applicable To
- Shock during or resulting from a procedure, not elsewhere classified
Type 1 Excludes
- anaphylactic shock NOS (T78.2)
- anaphylactic shock due to correct substance properly administered (T88.6)
- anaphylactic shock due to serum (T80.5-)
- electric shock (T75.4)
- obstetric shock (O75.1)
- septic shock (R65.21)
- shock due to anesthesia (T88.2)
- shock following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- traumatic shock (T79.4)
T81.1-
)
septic shock (
ICD-10-CM Diagnosis Code R65.21
Severe sepsis with septic shock
R65.21
)
shock complicating abortion or ectopic or molar pregnancy (
ICD-10-CM Diagnosis Code O00
Ectopic pregnancy
Includes
- ruptured ectopic pregnancy
Use Additional
- code from category O08 to identify any associated complication
O00
-
ICD-10-CM Diagnosis Code O07
Failed attempted termination of pregnancy
Includes
- failure of attempted induction of termination of pregnancy
- incomplete elective abortion
Type 1 Excludes
- incomplete spontaneous abortion (O03.0-)
O07
,
ICD-10-CM Diagnosis Code O08.3
Shock following ectopic and molar pregnancy
Applicable To
- Circulatory collapse following ectopic and molar pregnancy
- Shock (postprocedural) following ectopic and molar pregnancy
Type 1 Excludes
- shock due to infection following ectopic and molar pregnancy (O08.82)
O08.3
)
shock due to anesthesia (
ICD-10-CM Diagnosis Code T88.2
Shock due to anesthesia
Type 1 Excludes
- complications of anesthesia (in):
- labor and delivery (O74.-)
- pregnancy (O29.-)
- puerperium (O89.-)
- postprocedural shock NOS (T81.1-)
Use Additional
- code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
T88.2
)
shock due to lightning (
ICD-10-CM Diagnosis Code T75.01
Shock due to being struck by lightning
T75.01
)
shock NOS (
ICD-10-CM Diagnosis Code R57.9
Shock, unspecified
Applicable To
- Failure of peripheral circulation NOS
R57.9
)

The following code(s) above T79.4 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 T79.4:

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
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
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
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

Clinical Information

Any shock produced by trauma.
Shock produced as a result of trauma.

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 T79.4:

Type 1 Excludes: R57
, T81.1
, E86

ICD-10-CM Diagnosis Code R57
Shock, not elsewhere classified
Type 1 Excludes
- anaphylactic shock NOS (T78.2)
- anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- anaphylactic shock due to adverse effect of correct drug or medicament properly administered (T88.6)
- anaphylactic shock due to serum (T80.5-)
- electric shock (T75.4)
- obstetric shock (O75.1)
- postprocedural shock (T81.1-)
- psychic shock (F43.0)
- shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)
- shock due to anesthesia (T88.2)
- shock due to lightning (T75.01)
- traumatic shock (T79.4)
- toxic shock syndrome (A48.3)
ICD-10-CM Diagnosis Code T81.1
Postprocedural shock
Applicable To
- Shock during or resulting from a procedure, not elsewhere classified
Type 1 Excludes
- anaphylactic shock NOS (T78.2)
- anaphylactic shock due to correct substance properly administered (T88.6)
- anaphylactic shock due to serum (T80.5-)
- electric shock (T75.4)
- obstetric shock (O75.1)
- septic shock (R65.21)
- shock due to anesthesia (T88.2)
- shock following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- traumatic shock (T79.4)
ICD-10-CM Diagnosis Code E86
Volume depletion
Type 1 Excludes
- dehydration of newborn (P74.1)
- postprocedural hypovolemic shock (T81.19)
- traumatic hypovolemic shock (T79.4)
Type 2 Excludes
- hypovolemic shock NOS (R57.1)
Use Additional
- code(s) for any associated disorders of electrolyte and acid-base balance (E87.-)

Diagnosis Index entries containing back-references to T79.4:

Blood
- pressure
  - decreased, due to shock following injury T79.4
Decrease (d)
- blood
  - pressure R03.1
    ICD-10-CM Diagnosis Code R03.1
    Nonspecific low blood-pressure reading
    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 1 Excludes
    hypotension (I95.-)
    maternal hypotension syndrome (O26.5-)
    neurogenic orthostatic hypotension (G90.3)
    - due to shock following
      - injury T79.4
- respiration, due to shock following injury T79.4
Feeble rapid pulse due to shock following injury T79.4
Hypovolemia E86.1
ICD-10-CM Diagnosis Code E86.1
Hypovolemia
Applicable To
Depletion of volume of plasma
- traumatic T79.4 (shock)
Pulse
- feeble, rapid due to shock following injury T79.4
Rapid
- feeble pulse, due to shock, following injury T79.4
Respiration
- decreased due to shock, following injury T79.4
Shock R57.9
ICD-10-CM Diagnosis Code R57.9
Shock, unspecified
Applicable To
Failure of peripheral circulation NOS
- following
  - injury T79.4 (immediate) (delayed)
- hemorrhagic R57.8
  ICD-10-CM Diagnosis Code R57.8
  Other shock
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - trauma T79.4
- hypovolemic R57.1
  ICD-10-CM Diagnosis Code R57.1
  Hypovolemic shock
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - traumatic T79.4
- pleural (surgical) T81.19
  ICD-10-CM Diagnosis Code T81.19
  Other postprocedural shock
  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  Applicable To
  Postprocedural hypovolemic shock
  - due to trauma T79.4
- traumatic T79.4 (immediate) (delayed)
Syndrome - see also Disease
- shock (traumatic) T79.4

ICD-10-CM Codes Adjacent To T79.4

T79.0XXD …… subsequent encounter

T79.0XXS …… sequela

T79.1 Fat embolism (traumatic)

T79.1XXA …… initial encounter

T79.1XXD …… subsequent encounter

T79.1XXS …… sequela

T79.2 Traumatic secondary and recurrent hemorrhage and seroma

T79.2XXA …… initial encounter

T79.2XXD …… subsequent encounter

T79.2XXS …… sequela

T79.4 Traumatic shock

T79.4XXA …… initial encounter

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

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

2023 ICD-10-CM Diagnosis Code T79.4

Traumatic shock

Anaphylactic reaction due to food

Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered

Anaphylactic reaction due to serum

Anaphylactic shock, unspecified

Electrocution

Shock during or following labor and delivery

Postprocedural shock

Severe sepsis with septic shock

Ectopic pregnancy

Failed attempted termination of pregnancy

Shock following ectopic and molar pregnancy

Shock due to anesthesia

Shock due to being struck by lightning

Shock, unspecified

Injury, poisoning and certain other consequences of external causes

Certain early complications of trauma, not elsewhere classified

Shock, not elsewhere classified

Postprocedural shock

Volume depletion

Nonspecific low blood-pressure reading

Hypovolemia

Shock, unspecified

Other shock

Hypovolemic shock

Other postprocedural shock