T79.4XXD

T79.4XXD: Traumatic shock, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

T79.4XXD is a billable, specific ICD-10-CM code for traumatic shock, subsequent encounter. It is valid for submission on a claim.

Check T79.4XXD with the rest of the claim: free scrubber

7th character "D": subsequent encounter

The appropriate 7th character is to be added to each code from category T79

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

anaphylactic shock due to adverse food reaction (T78.0-)
anaphylactic shock due to correct medicinal substance properly administered (T88.6)
anaphylactic shock due to serum (T80.5-)
anaphylactic shock NOS (T78.2)
electric shock (T75.4)
nontraumatic shock NEC (R57.-)
obstetric shock (O75.1)
postprocedural shock (T81.1-)
septic shock (R65.21)
shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)
shock due to anesthesia (T88.2)
shock due to lightning (T75.01)
shock NOS (R57.9)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Shock (immediate) (delayed) following injury

Excludes1 inherited from the categories above T79.4XXD

A category’s note binds every code beneath it.

Written on T79.4: Traumatic shock

anaphylactic shock due to adverse food reaction (T78.0-)
anaphylactic shock due to correct medicinal substance properly administered (T88.6)
anaphylactic shock due to serum (T80.5-)
anaphylactic shock NOS (T78.2)
electric shock (T75.4)
nontraumatic shock NEC (R57.-)
obstetric shock (O75.1)
postprocedural shock (T81.1-)
septic shock (R65.21)
shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)
shock due to anesthesia (T88.2)
shock due to lightning (T75.01)
shock NOS (R57.9)

Excludes2 inherited from the categories above T79.4XXD

Not part of this code, but both may be coded when both are present.

Written on T79: Certain early complications of trauma, not elsewhere classified

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)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T79.4XXD is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A53058Billing and Coding: Home Health Physical Therapy
A53065Billing and Coding: Outpatient Physical Therapy
A56421Billing and Coding: CT of the Abdomen and Pelvis

Code history

Unchanged in every release from FY2024 to FY2027.