Short answer · Medically reviewed summary · Last updated: 2023-07-10

Diphtheria is a bacterial infection caused by Corynebacterium diphtheriae. It primarily affects the respiratory system, causing a thick grayish membrane to form in the throat, which can lead to difficulty breathing and swallowing.

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ICD10 code of Diphtheria and ICD9 code

ICD-10 and ICD-9 codes for Diphtheria, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Diphtheria
Diphtheria is a bacterial infection caused by Corynebacterium diphtheriae. It primarily affects the respiratory system, causing a thick grayish membrane to form in the throat, which can lead to difficulty breathing and swallowing. In terms of coding, the International Classification of Diseases (ICD) is used to classify and identify various diseases and conditions.

The ICD-10 code for diphtheria is A36. This code falls under the category of "Certain infectious and parasitic diseases" and specifically relates to "Diphtheria." It is important to note that the ICD-10 code system is more detailed and specific compared to its predecessor, the ICD-9 code system.

In the previous ICD-9 code system, diphtheria was classified under code 032. This code was used to identify "Diphtheria and pertussis" and was categorized under "Diseases due to other specified bacterial agents." However, with the transition to ICD-10, the codes became more specific and comprehensive, allowing for better accuracy in disease classification.

It is crucial to use the appropriate ICD code when documenting and reporting diphtheria cases. Accurate coding ensures proper tracking, monitoring, and research of the disease, as well as appropriate reimbursement for healthcare services provided.
Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2023-07-10
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
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ICD9 and ICD10 codes of Diphtheria

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