ICD-10-CM Codes
S00-T88 Injury, poisoning and certain other consequences of external causes
T66-T78 Other and unspecified effects of external causes
T78- Adverse effects, not elsewhere classified
2021 ICD-10-CM Diagnosis Code T78.02XA

2021 ICD-10-CM Diagnosis Code T78.02XA

Anaphylactic reaction due to shellfish (crustaceans), initial encounter

2016

2017

2018

2019

2020

2021

Billable/Specific Code

T78.02XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Anaphylactic reaction due to shellfish (crustaceans), init
The 2021 edition of ICD-10-CM T78.02XA became effective on October 1, 2020.
This is the American ICD-10-CM version of T78.02XA - other international versions of ICD-10 T78.02XA may differ.

The following code(s) above T78.02XA 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 T78.02XA:

S00-T88
2021 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causes
Note
- 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
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
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
Type 2 Excludes
- complications of surgical and medical care NEC (T80-T88)
Adverse effects, not elsewhere classified
T78.0
ICD-10-CM Diagnosis Code T78.0
Anaphylactic reaction due to food
Applicable To
- Anaphylactic reaction due to adverse food reaction
- Anaphylactic shock or reaction due to nonpoisonous foods
- Anaphylactoid reaction due to food
Anaphylactic reaction due to food

Approximate Synonyms

Anaphylaxis due to shellfish
Shellfish anaphylaxis (severe allergic reaction)

ICD-10-CM T78.02XA is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

915 Allergic reactions with mcc
916 Allergic reactions without mcc

Convert T78.02XA 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

ICD-10-CM Codes Adjacent To T78.02XA

T78.0 Anaphylactic reaction due to food

T78.00 Anaphylactic reaction due to unspecified food

T78.00XA …… initial encounter

T78.00XD …… subsequent encounter

T78.00XS …… sequela

T78.01 Anaphylactic reaction due to peanuts

T78.01XA …… initial encounter

T78.01XD …… subsequent encounter

T78.01XS …… sequela

T78.02 Anaphylactic reaction due to shellfish (crustaceans)

T78.02XA …… initial encounter

T78.02XD …… subsequent encounter

T78.02XS …… sequela

T78.03 Anaphylactic reaction due to other fish

T78.03XA …… initial encounter

T78.03XD …… subsequent encounter

T78.03XS …… sequela

T78.04 Anaphylactic reaction due to fruits and vegetables

T78.04XA …… initial encounter

T78.04XD …… subsequent encounter

T78.04XS …… sequela

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

2021 ICD-10-CM Diagnosis Code T78.02XA

Anaphylactic reaction due to shellfish (crustaceans), initial encounter

Injury, poisoning and certain other consequences of external causes

Adverse effects, not elsewhere classified

Anaphylactic reaction due to food