QC44.2

The ICD-11 code for personal history of allergy to drugs, medicaments or biological substances is QC44.2. The full clinical description is "Personal history of allergy to drugs, medicaments or biological substances".

ICD-11 code QC44.2 represents “Personal history of allergy to drugs, medicaments or biological substances”. It is classified under Chapter 24: Factors Influencing Health Status or Contact With Health Services.

QC44.2 is in Chapter 24: Factors Influencing Health Status or Contact With Health Services (codes QA00-QF4Z).

QC44.2 maps to 11 ICD-10 codes: Z88 (Allergy status to drug/meds/biol subst), Z88.0 (Allergy status to penicillin), Z88.1 (Allergy status to other antibiotic agents), and 8 more. ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.

ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.