ICD-9 Codes

Effective October 1, 2011, six new categories of International Classification of Diseases, Ninth Edition, Clinical Modification (ICD-9-CM) codes for thalassemia are now available, allowing for a more accurate diagnosis of the type of thalassemia with which an individual has been diagnosed. Previously, there was only one code to classify all forms of non-sickle-cell–related thalassemia. This single code was not sufficient to represent accurately the spectrum that ranges from asymptomatic patients (those who are silent carriers or have thalassemia trait) to severe patients (those with thalassemia major). The new codes have separate categories for different thalassemia diagnoses.

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