ICD-10-CM Code T78.2
Anaphylactic shock, unspecified
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.7th Character Required
Code requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."ICD Code T78.2 is a non-billable code. To code a diagnosis of this type, you must use specify a 7th character that describes the diagnosis 'anaphylactic shock, unspecified' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:
| 7th Digit | Billable Code | 7th Digit Specifies |
|---|---|---|
| A | T78.2XXA | initial encounter |
| D | T78.2XXD | subsequent encounter |
| S | T78.2XXS | sequela |
What is 7th Character Extension?
For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The ICD-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More InfoThe ICD code T782 is used to code Anaphylaxis
Anaphylaxis is a serious allergic reaction that is rapid in onset and may cause death. It typically causes more than one of the following: an itchy rash, throat or tongue swelling, shortness of breath, vomiting, lightheadedness, and low blood pressure. These symptoms typically come on over minutes to hours.
| Specialty: | Allergy And Immunology |
| MeSH Code: | D000707 |
| ICD 9 Code: | 995.0 |
Angioedema of the face such that the boy cannot open his eyes. This reaction was caused by an allergen exposure.
Coding Notes for T78.2 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Allergic shock
- Anaphylactic reaction
- Anaphylaxis
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Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here." - Anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered - instead, use code T88.6
- Anaphylactic reaction or shock due to adverse food reaction - instead, use code T78.0-
- Anaphylactic reaction or shock due to serum - instead, use code T80.5-
Related Concepts SNOMET-CT
- Insulin-induced anaphylaxis (disorder)
- Venom-induced anaphylaxis (disorder)
Coding Advice SNOMET-CT
- Possible requirement for an external cause code
- Episode of care information needed
ICD-10-CM Alphabetical Index References for 'T78.2 - Anaphylactic shock, unspecified'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code T78.2. Click on any term below to browse the alphabetical index.
Parent Code: T78 - Adverse effects, not elsewhere classified