R09.81: Nasal congestion
R09.81 is the billable ICD-10-CM diagnosis code for Nasal congestion. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code R09.81?
R09.81 is the ICD-10-CM diagnosis code for Nasal congestion. It belongs to category R09 (Other symptoms and signs involving the circulatory and respiratory system).
Is R09.81 a billable code?
Yes. R09.81 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does R09.81 belong to?
R09.81 is part of ICD-10-CM category R09 — Other symptoms and signs involving the circulatory and respiratory system, which has 24 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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