250 Appendix B-12 Allergies This article continues the “Transitioning to 10” series providing pediatric-specific information on the transition to and use of International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM). The focus this month is allergies. This article provides a mapping of International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) to ICD-10-CM codes for allergy-related conditions. For information on reporting allergic dermatitis, please see “Transitioning to 10: Documenting Dermatitis” in the “Transitioning to 10” collection of AAP Pediatric Coding Newsletter™ (http://coding.solutions.aap.org/transitioning.aspx). Allergic Rhinitis Codes for allergic rhinitis are found in category J30 in ICD-10-CM. Table 1 provides a crosswalk from ICD-9-CM to ICD-10-CM codes for allergic rhinitis. Table 1. Diagnosis Codes for Allergic Rhinitis Allergic Rhinitis ICD-9-CM ICD-10-CM Due to animal hair and dander (cat) (dog) 477.2 J30.81 Due to food 477.1 J30.5 Due to pollen 477.0 J30.1 Perennial 477.9 J30.89 Seasonal 477.9 J30.2 Vasomotor 477.9 J30.0 Allergic Reaction A diagnosis of allergic reaction without further specification is reported with code 995.3 in ICD-9-CM. Code T78.40 is used to report an unspecified allergic reaction using ICD-10-CM. Personal history of anaphylaxis is reported with code V13.81 in ICD-9-CM and Z87.892 in ICD-10-CM. When reporting personal history of anaphylaxis, also report the allergy status. For diagnostic skin and sensitization tests, report ICD-9-CM code V72.7 or, after transition to ICD-10-CM, Z01.82. Insect Allergies Allergy to insects and arachnids is reported with ICD-9-CM code V15.06. ICD-10-CM includes separate codes for bee allergy status (Z91.030) and other insect allergy status (Z91.038). For anaphylactic shock due to insect sting, ICD-9-CM code 989.5 is reported. After transition to ICD-10-CM, for anaphylactic shock due to venomous sting, including that with allergic or anaphylactic shock, see the table of drugs and chemicals, by animal or substance, poisoning.
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