R84.4: Abnormal immunological findings in specimens from respiratory organs and thorax
R84.4 is the billable ICD-10-CM diagnosis code for Abnormal immunological findings in specimens from respiratory organs and thorax. 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 R84.4?
R84.4 is the ICD-10-CM diagnosis code for Abnormal immunological findings in specimens from respiratory organs and thorax. It belongs to category R84 (Abnormal findings in specimens from respiratory organs and thorax).
Is R84.4 a billable code?
Yes. R84.4 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 R84.4 belong to?
R84.4 is part of ICD-10-CM category R84 — Abnormal findings in specimens from respiratory organs and thorax, which has 20 billable codes.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free