ICD-10-CM
T78.40 - Allergy, unspecified
Code
T78.40 - Allergy, unspecified
[Non-Billable]
[Non-Billable]
Includes
- Allergic reaction NOS
- Hypersensitivity NOS
Code Tree
Citation
"T78.40 - Allergy, Unspecified." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/888499/all/T78_40___Allergy__unspecified.
T78.40 - Allergy, unspecified. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/888499/all/T78_40___Allergy__unspecified. Accessed June 3, 2026.
T78.40 - Allergy, unspecified. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/888499/all/T78_40___Allergy__unspecified
T78.40 - Allergy, Unspecified [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 June 03]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/888499/all/T78_40___Allergy__unspecified.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - T78.40 - Allergy, unspecified
ID - 888499
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/888499/all/T78_40___Allergy__unspecified
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
