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D86.9 — Sarcoidosis, unspecified
D86.9
What this code means
Sarcoidosis is an inflammatory condition in which clusters of immune cells (granulomas) form, most often in the lungs and lymph nodes.
Also called: sarcoidosis.
When this code is used
Used for sarcoidosis when the sites are not specified.
Where it sits in ICD-10-CM
Code D86.9 belongs to Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism, which covers codes D50–D89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code D86.9?
D86.9 is the ICD-10-CM diagnosis code for “Sarcoidosis, unspecified”. Sarcoidosis is an inflammatory condition in which clusters of immune cells (granulomas) form, most often in the lungs and lymph nodes.
When is code D86.9 used?
Used for sarcoidosis when the sites are not specified. It belongs to Chapter 3 of ICD-10-CM (Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.