T78.40XA

The ICD-10-CM code for allergy, unspecified, initial encounter is T78.40XA. The full clinical description is "Allergy, unspecified, initial encounter". T78.40XA is a billable/specific code that can be used on insurance claims and medical billing.

ICD-10-CM code T78.40XA represents “Allergy, unspecified, initial encounter”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a billable/specific code that can be used on a claim.

Yes, T78.40XA is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

T78.40XA is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

T78.40XA is linked to 1 UMLS Concept Unique Identifier: C2976983. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like allergy, unspecified, initial encounter affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

There is no direct ICD-11 mapping available for T78.40XA in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.