T78.2⚠ Requires 7th Character

Anaphylactic shock, unspecified

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category T78

This code is not valid for billing without a 7th character. Append one of the following to T78.2:

Ainitial encounterT78.2XXADsubsequent encounterT78.2XXDSsequelaT78.2XXS

Inclusion Terms

  • •Allergic shock
  • •Anaphylactic reaction
  • •Anaphylaxis

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to T78.2 in the official ICD-10-CM Alphabetic Index.

Allergy, allergic (reaction) (to), anaphylactic reaction or shockAllergy, allergic (reaction) (to), shock (anaphylactic)Shock, anaphylactic

✗ Excludes 1(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-)

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T66-T78Other and unspecified effects of external causes (T66-T78)├T78Adverse effects, not elsewhere classified
└T78.2Anaphylactic shock, unspecified

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