
Allergy, unspecified. T78.40 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail. The 2019 edition of ICD-10-CM T78.40 became effective on October 1, 2018.
Full Answer
What is the ICD 10 code for allergies?
· What is the ICD 10 code for multiple allergies? T78. 40XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM T78. Click to see full answer.
What is the ICD 10 code for latex allergy?
Allergy, unspecified, initial encounter T78. 40XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM T78. 40XA became effective on October 1, 2021.
What is the ICD 10 diagnosis code for?
What is the ICD 10 code for multiple allergies? Allergy , unspecified, initial encounter T78. 40XA is a billable/specific ICD - 10 -CM code that can be used to indicate a diagnosis for …
What is the CPT code for allergy testing?
· Allergy, unspecified S00-T88 2022 ICD-10-CM Range S00-T88 Injury, poisoning and certain other consequences of external causes Note Use... T78 ICD-10-CM Diagnosis Code …

What is an allergy?
An allergy is a reaction of your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing.
What is a local or general reaction of an organism following contact with a specific allergen to which it has been
Hypersensitivity; a local or general reaction of an organism following contact with a specific allergen to which it has been previously exposed and to which it has become sensitized.
What is the term for an immunologic response to an initial exposure?
Hypersensitivity to an agent caused by an immunologic response to an initial exposure. Hypersensitivity; a local or general reaction of an organism following contact with a specific allergen to which it has been previously exposed and to which it has become sensitized.
What is altered reactivity to an antigen?
Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.
When will the ICd 10 T78.4 be released?
The 2022 edition of ICD-10-CM T78.4 became effective on October 1, 2021.
What is an allergy?
An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are. Pollen. Dust mites.
What is the Z91.09 code?
Z91.09 is a billable diagnosis code used to specify a medical diagnosis of other allergy status, other than to drugs and biological substances. The code Z91.09 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
What is the immune system?
Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role.
Can allergies cause a runny nose?
Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies.
Is Z91.09 a POA?
Z91.09 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here.
