T78.2
Non-billableAnaphylactic shock, unspecified
Anaphylactic shock, unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Allergic shock
- Anaphylactic reaction
- Anaphylaxis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- complications of surgical and medical care NEC (T80-T88)
Use Additional Code
Additional codes that should follow this code
- code to identify any retained foreign body, if applicable (Z18.-)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Allergic shockC4316895
- Anaphylactic ReactionC4316895
- Anaphylactic ReactionsC4316895
- Anaphylactic ShockC4316895
- Anaphylactic reactionC4316895
- Anaphylactic shockC4316895
- Anaphylactic shock, unspecifiedC4316895
- Anaphylactoid ReactionC4316895
- Anaphylactoid ReactionsC4316895
- Anaphylactoid ShockC4316895
- Anaphylactoid-type reactionC4316895
- AnaphylaxisC4316895
- Reaction, AnaphylacticC4316895
- Reaction, AnaphylactoidC4316895
- Shock due to anaphylaxisC4316895
- Shock due to anaphylaxis (disorder)C4316895
- Shock, AnaphylacticC4316895
- Shock, AnaphylactoidC4316895
- allergic shockC4316895
- anaphylactic reactionC4316895
- anaphylactic reactionsC4316895
- anaphylactic shockC4316895
- anaphylaxisC4316895
- systemic anaphylaxisC4316895
Frequently Asked Questions
What is ICD-10 code T78.2?
ICD-10-CM code T78.2 represents "Anaphylactic shock, unspecified". It is a non-billable header code — use a more specific child code for billing purposes.
Is T78.2 a billable code?
No, T78.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T78.2.
What chapter is T78.2 in?
T78.2 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T78.2?
T78.2 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6); and 2 more.
What are the subcategories under T78.2?
T78.2 has 3 child codes, including: T78.2XXA (Anaphylactic shock, unspecified, initial encounter), T78.2XXD (Anaphylactic shock, unspecified, subsequent encounter), T78.2XXS (Anaphylactic shock, unspecified, sequela).
Are additional codes required with T78.2?
Yes, when using T78.2 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for T78.2?
T78.2 is linked to 1 UMLS Concept Unique Identifier: C4316895. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.