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D47.2 — Monoclonal gammopathy
D47.2
What this code means
Monoclonal gammopathy is the presence of an abnormal single-type antibody protein in the blood, often found by chance (MGUS).
Also called: mgus, monoclonal gammopathy.
When this code is used
Used for monoclonal gammopathy (including MGUS).
Where it sits in ICD-10-CM
Code D47.2 belongs to Chapter 2: Neoplasms, which covers codes C00–D49 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Frequently asked questions
What is ICD-10-CM code D47.2?
D47.2 is the ICD-10-CM diagnosis code for “Monoclonal gammopathy”. Monoclonal gammopathy is the presence of an abnormal single-type antibody protein in the blood, often found by chance (MGUS).
When is code D47.2 used?
Used for monoclonal gammopathy (including MGUS). It belongs to Chapter 2 of ICD-10-CM (Neoplasms).
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.