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ICD-10 diagnosis code

T78.2 Anaphylactic shock, unspecified

This page in Swedish

T78.2 is the ICD-10 code for Anaphylactic shock, unspecified. It is a four-character subcategory of T78 (Adverse effects, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block T66–T78 (Other and unspecified effects of external causes) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.

Code type
Subcategory (4 characters)
Chapter
XIX · S00–T98
Classification
WHO ICD-10, 2019 version

What T78.2 includes

Conditions and terms that are coded here.

  • Allergic shock
    • NOS
  • Anaphylactic reaction
    • NOS
  • Anaphylaxis
    • NOS

What T78.2 excludes

Conditions that look similar but belong under another code.

  • anaphylactic shock due to:
    • adverse effect of correct medicinal substance properly administered T88.6
    • adverse food reaction T78.0
    • serum T80.5

T78.2 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

T78.2Anafylaktisk chock, ospecificerad

  • T78.2AAllergisk chock
  • T78.2BAnafylaxi UNS
  • T78.2XAnafylaktisk chock, ospecificerad
NorwayICD-10-NO

T78.2Uspesifisert anafylaktisk sjokk

DenmarkICD-10-DK

DT782Anafylaktisk shock UNS

  • DT782AAnstrengelsesudløst anafylaktisk shock
FinlandICD-10-FI

T78.2Määrittämätön anafylaktinen sokki

GermanyICD-10-GM

T78.2Anaphylaktischer Schock, nicht näher bezeichnet

FranceICD-10-FR

T78.2Choc anaphylactique, sans précision

NetherlandsICD-10-NL

T78.2anafylactische shock, niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • T78.2XXAAnaphylactic shock, unspecified, initial encounter
  • T78.2XXDAnaphylactic shock, unspecified, subsequent encounter
  • T78.2XXSAnaphylactic shock, unspecified, sequela

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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