Localized swelling, mass and lump, unspecified

This code signifies a localized area of abnormal tissue enlargement or protuberance that is not further specified as to its exact nature or anatomical location. It represents a general finding of a palpable mass, swelling, or lump without an underlying definitive diagnosis.

Use this code when documentation indicates the presence of a localized swelling, mass, or lump, but the provider has not yet determined the specific cause, body system, or definitive diagnosis. This is often an initial finding during an examination or when a patient presents with a new, undiagnosed abnormality.

• Avoid using this code if a more specific diagnosis for the mass or swelling is available (e.g., abscess, cyst, tumor).
• Always query the provider for more specific anatomical location and etiology if possible to allow for a more precise code.
• This code is typically used as a primary diagnosis when the mass/lump is the reason for the encounter, or as a secondary diagnosis when it's an incidental finding requiring further investigation.