2023 ICD-10-CM Diagnosis Code T78.2XXD

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Anaphylactic shock, unspecified, subsequent encounter

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • T78.2XXD is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM T78.2XXD became effective on October 1, 2022.
  • This is the American ICD-10-CM version of T78.2XXD - other international versions of ICD-10 T78.2XXD may differ.
The following code(s) above T78.2XXD contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T78.2XXD:
  • S00-T88
    2023 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T78
    ICD-10-CM Diagnosis Code T78

    Adverse effects, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • complications of surgical and medical care NEC (T80-T88)
    Adverse effects, not elsewhere classified
  • T78.2
    ICD-10-CM Diagnosis Code T78.2

    Anaphylactic shock, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Allergic shock
    • Anaphylactic reaction
    • Anaphylaxis
    Type 1 Excludes
    • 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-)
    Anaphylactic shock, unspecified
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • T78.2XXD is considered exempt from POA reporting.
ICD-10-CM T78.2XXD is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 949 Aftercare with cc/mcc
  • 950 Aftercare without cc/mcc

Convert T78.2XXD to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To T78.2XXD
T78.09 Anaphylactic reaction due to other food products
T78.09XA …… initial encounter
T78.09XD …… subsequent encounter
T78.09XS …… sequela
T78.1 Other adverse food reactions, not elsewhere classified
T78.1XXA …… initial encounter
T78.1XXD …… subsequent encounter
T78.1XXS …… sequela
T78.2 Anaphylactic shock, unspecified
T78.2XXA …… initial encounter
T78.2XXD …… subsequent encounter
T78.2XXS …… sequela
T78.3 Angioneurotic edema
T78.3XXA …… initial encounter
T78.3XXD …… subsequent encounter
T78.3XXS …… sequela
T78.4 Other and unspecified allergy
T78.40 Allergy, unspecified
T78.40XA …… initial encounter
T78.40XD …… subsequent encounter
T78.40XS …… sequela

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.