Amyloidosis, unspecified

This code represents a systemic disorder characterized by the extracellular deposition of abnormal, insoluble protein fibrils (amyloid) in various organs and tissues, leading to organ dysfunction. It signifies a diagnosis of amyloidosis where the specific type or underlying cause of the amyloid protein is not identified or documented.

Use this code when the medical record clearly states a diagnosis of amyloidosis, but there is no further specification regarding the type (e.g., AL, AA, ATTR) or the primary etiology. This code is appropriate when the physician has not yet determined the specific amyloid protein or when documentation simply states "amyloidosis" without additional detail.

• Avoid using this code if a more specific type of amyloidosis (e.g., primary, secondary, hereditary) is documented.
• Query the provider for clarification on the specific type of amyloidosis whenever possible to allow for more precise coding.
• This code should be sequenced as a primary or secondary diagnosis depending on whether the amyloidosis is the main reason for the encounter or a co-existing condition.