T78.2

Billable

Anaphylactic shock, unspecified

T78.2 is the ICD-10-CM code for Anaphylactic shock, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
S00-T88
Parent
T78
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

Anaphylaxis is a serious allergic reaction . It can begin very quickly, and symptoms may be life-threatening. The most common causes are reactions to foods (especially peanuts), medications , and stinging insects . Other causes include exercise and exposure to latex . Sometimes no cause can be found. It can affect many organs: Skin - itching, hives, redness, swelling Nose - sneezing, stuffy nose, runny nose Mouth -…

Read more about Anaphylaxis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Allergic shock
  • Anaphylactic reaction
  • Anaphylaxis

Excludes1 — not coded here

  • 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-)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code T78.2?
T78.2 is the ICD-10-CM code for "Anaphylactic shock, unspecified". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T78.2 a billable code?
Yes — T78.2 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from T78.2?
Excludes1 (not coded here): 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-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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