Z22.2

Billable

Carrier of diphtheria

Z22.2 is the ICD-10-CM code for Carrier of diphtheria. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Z00-Z99
Parent
Z22
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

Diphtheria is a serious bacterial infection. You can catch it from a person who has the infection and coughs or sneezes. You can also get infected by coming in contact with an object, such as a toy, that has bacteria on it. Diphtheria usually affects the nose and throat. Symptoms include: Sore throat Swollen glands in the neck Fever Weakness Your doctor will diagnose it based on your signs and symptoms and a lab…

Read more about Diphtheria at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code Z22.2?
Z22.2 is the ICD-10-CM code for "Carrier of diphtheria". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z22.2 a billable code?
Yes — Z22.2 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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