Short answer · Medically reviewed summary · Last updated: 2026-04-06
The primary ICD-10 code for Hereditary Angioedema is D84.1, while the corresponding ICD-9 code is 277.6. As a specialist physician, I understand that navigating the clinical coding for Hereditary Angioedema is often the first step in ensuring you receive the appropriate insurance coverage and specialized care required for this complex condition. These diagnostic codes are essential for clinicians to document the deficiency or dysfunction of the C1 esterase inhibitor protein that characterizes Hereditary Angioedema. Understanding Clinical Documentation While D84.1 is the standard classification, your medical team may occasionally use secondary codes to describe specific manifestations, such as abdominal swelling or airway involvement.
2 people with Hereditary Angioedema have shared their first-person experience on this question at DiseaseMaps.
ICD10 code of Hereditary Angioedema and ICD9 code
ICD-10 and ICD-9 codes for Hereditary Angioedema, with classification details for clinicians, coders and patients.
The primary ICD-10 code for Hereditary Angioedema is D84.1, while the corresponding ICD-9 code is 277.6.
As a specialist physician, I understand that navigating the clinical coding for Hereditary Angioedema is often the first step in ensuring you receive the appropriate insurance coverage and specialized care required for this complex condition. These diagnostic codes are essential for clinicians to document the deficiency or dysfunction of the C1 esterase inhibitor protein that characterizes Hereditary Angioedema.
Understanding Clinical Documentation
While D84.1 is the standard classification, your medical team may occasionally use secondary codes to describe specific manifestations, such as abdominal swelling or airway involvement. Because Hereditary Angioedema can impact multiple systems—including the digestive and circulatory systems—accurate coding helps your medical team track the frequency and severity of your attacks. This data is vital not only for your personal health record but also for the broader Hereditary Angioedema research community as we continue to refine treatment protocols involving therapies like Cinryze or Berinert.
Practical Implications for Patients
For those living with Hereditary Angioedema, these codes serve as a bridge to specialized care. When you meet with your allergist or immunologist, ensuring these codes are correctly documented in your file can facilitate the approval of preventative and acute treatments. If you find that your medical records or insurance claims are not reflecting your diagnosis correctly, do not hesitate to ask your specialist to verify that the D84.1 code is being utilized, as it is the globally recognized standard for this specific genetic disorder.
This information is provided for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD)
- Orphanet (ORPHA: 91387)
- Online Mendelian Inheritance in Man (OMIM: 106100)
- U.S. Hereditary Angioedema Association (HAEA)
Icd 9 is 277.6
Posted May 23, 2017 by Donna 2250
Posted Nov 29, 2017 by [email protected] 2300
